Abu Ali Salih ibn Mirdas ( Arabic: ابو علي صالح بن مرداس, romanized: Abū ʿAlī Ṣāliḥ ibn Mirdās), also known by his laqab (honorific epithet) Asad al-Dawla ('Lion of the State'), was the founder of the Mirdasid dynasty and emir of Aleppo from 1025 until his death in May 1029. At its peak, his emirate (principality) encompassed much of the western Jazira (Upper Mesopotamia), northern Syria and several central Syrian towns. With occasional interruption, Salih's descendants ruled Aleppo for the next five decades.

Salih launched his career in 1008, when he seized the Euphrates river fortress of al-Rahba. In 1012, he was imprisoned and tortured by the emir of Aleppo, Mansur ibn Lu'lu'. Two years later he escaped, capturing Mansur in battle and releasing him for numerous concessions, including half of Aleppo's revenues. This cemented Salih as the paramount emir of his tribe, the Banu Kilab, many of whose chieftains had died in Mansur's dungeons. With his Bedouin warriors, Salih captured a string of fortresses along the Euphrates, including Manbij and Raqqa, by 1022. He later formed an alliance with the Banu Kalb and Banu Tayy tribes and supported their struggle against the Fatimids of Egypt. During this tribal rebellion, Salih annexed the central Syrian towns of Homs, Baalbek and Sidon, before conquering Fatimid-held Aleppo in 1025, bringing "to success the plan which guided his [Banu Kilab] forebears for a century", according to historian Thierry Bianquis. ( Full article...)

Thurisind ( Latin: Turisindus, died c. 560) was king of the Gepids, an East Germanic Gothic people, from c. 548 to 560. He was the penultimate Gepid king, and succeeded King Elemund by staging a coup d'état and forcing the king's son into exile. Thurisind's kingdom, known as Gepidia, was located in Central Europe and had its centre in Sirmium, a former Roman city on the Sava River (now the town of Sremska Mitrovica, Serbia).

His reign was marked by multiple wars with the Lombards, a Germanic people who had arrived in the former Roman province of Pannonia under the leadership of their king, Audoin. Thurisind also had to face the hostility of the Byzantine Empire, which was resentful of the Gepid takeover of Sirmium and anxious to diminish Gepid power in the Pannonian Basin, a plain covering most of modern Hungary and partly including the bordering states. The Byzantines' plans to reduce the Gepids' power took effect when Audoin decisively defeated Thurisind in 551 or 552. The Byzantine Emperor Justinian forced a peace accord on both leaders so that equilibrium in the Pannonian Basin could be sustained. ( Full article...)

Prince Albert of Saxe-Coburg and Gotha (Franz August Karl Albert Emanuel; 26 August 1819 – 14 December 1861) was the husband and consort of the British monarch, Queen Victoria. They were married from 10 February 1840 until his death in 1861.

Albert was born in the Saxon duchy of Saxe-Coburg-Saalfeld to a family connected to many of Europe's ruling monarchs. At the age of 20, he married Victoria, his cousin, with whom he went on to have nine children. Initially, he felt constrained by his role as consort, which did not afford him power or responsibilities. He gradually developed a reputation for supporting public causes, such as educational reform and the abolition of slavery worldwide, and he was entrusted with running the Queen's household, office and estates. He was heavily involved with the organisation of the Great Exhibition of 1851, which was a resounding success. ( Full article...)

Coenwulf (Old English: [ˈkøːnwuɫf]; also spelled Cenwulf, Kenulf, or Kenwulph; Latin: Coenulfus) was the King of Mercia from December 796 until his death in 821. He was a descendant of King Pybba, who ruled Mercia in the early 7th century. He succeeded Ecgfrith, the son of Offa; Ecgfrith only reigned for five months, and Coenwulf ascended the throne in the same year that Offa died. In the early years of Coenwulf's reign he had to deal with a revolt in Kent, which had been under Offa's control. Eadberht Præn returned from exile in Francia to claim the Kentish throne, and Coenwulf was forced to wait for papal support before he could intervene. When Pope Leo III agreed to anathematise Eadberht, Coenwulf invaded and retook the kingdom; Eadberht was taken prisoner, was blinded, and had his hands cut off. Coenwulf also appears to have lost control of the kingdom of East Anglia during the early part of his reign, as an independent coinage appears under King Eadwald. Coenwulf's coinage reappears in 805, indicating that the kingdom was again under Mercian control. Several campaigns of Coenwulf's against the Welsh are recorded, but only one conflict with Northumbria, in 801, though it is likely that Coenwulf continued to support the opponents of the Northumbrian king Eardwulf.

Coenwulf came into conflict with Archbishop Wulfred of Canterbury over the issue of whether laypeople could control religious houses such as monasteries. The breakdown in the relationship between the two eventually reached the point where the archbishop was unable to exercise his duties for at least four years. A partial resolution was reached in 822 with Coenwulf's successor, King Ceolwulf, but it was not until about 826 that a final settlement was reached between Wulfred and Coenwulf's daughter, Cwoenthryth, who had been the main beneficiary of Coenwulf's grants of religious property. ( Full article...)

Dom Pedro II (2 December 1825 – 5 December 1891), nicknamed the Magnanimous ( Portuguese: O Magnânimo), was the second and last monarch of the Empire of Brazil, reigning for over 58 years.

Pedro II was born in Rio de Janeiro, the seventh child of Emperor Dom Pedro I of Brazil and Empress Dona Maria Leopoldina and thus a member of the Brazilian branch of the House of Braganza ( Portuguese: Bragança). His father's abrupt abdication and departure to Europe in 1831 left the five-year-old as emperor and led to a grim and lonely childhood and adolescence, obliged to spend his time studying in preparation for rule. His experiences with court intrigues and political disputes during this period greatly affected his later character; he grew into a man with a strong sense of duty and devotion toward his country and his people, yet increasingly resentful of his role as monarch. ( Full article...)

Edward the Elder ( c. 874 – 17 July 924) was King of the Anglo-Saxons from 899 until his death in 924. He was the elder son of Alfred the Great and his wife Ealhswith. When Edward succeeded to the throne, he had to defeat a challenge from his cousin Æthelwold, who had a strong claim to the throne as the son of Alfred's elder brother and predecessor, Æthelred I.

Alfred had succeeded Æthelred as king of Wessex in 871, and almost faced defeat against the Danish Vikings until his decisive victory at the Battle of Edington in 878. After the battle, the Vikings still ruled Northumbria, East Anglia and eastern Mercia, leaving only Wessex and western Mercia under Anglo-Saxon control. In the early 880s Æthelred, Lord of the Mercians, the ruler of western Mercia, accepted Alfred's lordship and married his daughter Æthelflæd, and around 886 Alfred adopted the new title King of the Anglo-Saxons as the ruler of all Anglo-Saxons not subject to Danish rule. Edward inherited the new title when Alfred died in 899. ( Full article...)

Stephen I, also known as King Saint Stephen ( Hungarian: Szent István király [ˌsɛnt ˈiʃtvaːn kiraːj]; Latin: Sanctus Stephanus; Slovak: Štefan I. or Štefan Veľký; c. 975 – 15 August 1038), was the last Grand Prince of the Hungarians between 997 and 1000 or 1001, and the first King of Hungary from 1000 or 1001, until his death in 1038. The year of his birth is uncertain, but many details of his life suggest that he was born in, or after, 975, in Esztergom. He was given the pagan name Vajk at birth, but the date of his baptism is unknown. He was the only son of Grand Prince Géza and his wife, Sarolt, who was descended from a prominent family of gyulas. Although both of his parents were baptized, Stephen was the first member of his family to become a devout Christian. He married Gisela of Bavaria, a scion of the imperial Ottonian dynasty.

After succeeding his father in 997, Stephen had to fight for the throne against his relative, Koppány, who was supported by large numbers of pagan warriors. He defeated Koppány with the assistance of foreign knights including Vecelin, Hont and Pázmány, and native lords. He was crowned on 25 December 1000 or 1 January 1001 with a crown sent by Pope Sylvester II. In a series of wars against semi-independent tribes and chieftains—including the Black Hungarians and his uncle, Gyula the Younger—he unified the Carpathian Basin. He protected the independence of his kingdom by forcing the invading troops of Conrad II, Holy Roman Emperor, to withdraw from Hungary in 1030. ( Full article...)

Princess Alice of Battenberg (Victoria Alice Elizabeth Julia Marie; 25 February 1885 – 5 December 1969) was the mother of Prince Philip, Duke of Edinburgh, mother-in-law of Queen Elizabeth II, and paternal grandmother of King Charles III. After marrying Prince Andrew of Greece and Denmark in 1903, she adopted the style of her husband, becoming Princess Andrew of Greece and Denmark.

A great-granddaughter of Queen Victoria, Alice was born in Windsor Castle and grew up in the United Kingdom, Germany and Malta. A Hessian princess by birth, she was a member of the Battenberg family, a morganatic branch of the House of Hesse-Darmstadt. She was congenitally deaf. She lived in Greece until the exile of most of the Greek royal family in 1917. On returning to Greece a few years later, her husband was blamed in part for the country's defeat in the Greco-Turkish War (1919–1922), and the family was once again forced into exile until the restoration of the Greek monarchy in 1935. ( Full article...)

Charles I (19 November 1600 – 30 January 1649) was King of England, Scotland, and Ireland from 27 March 1625 until his execution in 1649.

Charles was born into the House of Stuart as the second son of King James VI of Scotland, but after his father inherited the English throne in 1603, he moved to England, where he spent much of the rest of his life. He became heir apparent to the kingdoms of England, Scotland, and Ireland in 1612 upon the death of his elder brother, Henry Frederick, Prince of Wales. An unsuccessful and unpopular attempt to marry him to Infanta Maria Anna of Spain culminated in an eight-month visit to Spain in 1623 that demonstrated the futility of the marriage negotiation. Two years later, shortly after his accession, he married Henrietta Maria of France. ( Full article...)

Dom Pedro Afonso (19 July 1848 – 10 January 1850) was the Prince Imperial and heir apparent to the throne of the Empire of Brazil. Born at the Palace of São Cristóvão in Rio de Janeiro, he was the second son and youngest child of Emperor Dom Pedro II and Dona Teresa Cristina of the Two Sicilies, and thus a member of the Brazilian branch of the House of Braganza. Pedro Afonso was seen as vital to the future viability of the monarchy, which had been put in jeopardy by the death of his older brother Dom Afonso almost three years earlier.

Pedro Afonso's death from fever at the age of one devastated the Emperor, and the imperial couple had no further children. Pedro Afonso's older sister Dona Isabel became heiress, but Pedro II was unconvinced that a woman could ever be accepted as monarch by the ruling elite. He excluded Isabel from matters of state and failed to provide training for her possible role as empress. With no surviving male children, the Emperor came to understand that the imperial line was destined to end with his own death. ( Full article...)

Abū al-Qāsim Aḥmad ibn al-Mustanṣir ( Arabic: أبو القاسم أحمد بن المستنصر; 15/16 September 1074 – 12 December 1101), better known by his regnal name al-Mustaʿlī biʾllāh (المستعلي بالله, lit. 'The One Raised Up by God'), was the ninth Fatimid caliph and the nineteenth imam of Musta'li Ismailism.

Although not the eldest (and most likely the youngest) of the sons of Caliph al-Mustansir Billah, al-Musta'li became caliph through the machinations of his brother-in-law, the vizier al-Afdal Shahanshah. In response, his oldest brother and most likely candidate for their father's succession, Nizar, rose in revolt in Alexandria, but was defeated and executed. This caused a major split in the Isma'ili movement. Many communities, especially in Persia and Iraq, split off from the officially sponsored Isma'ili hierarchy and formed their own Nizari movement, holding Nizar and his descendants as the rightful imams. ( Full article...)

Catherine de' Medici (Italian: Caterina de' Medici, pronounced [kateˈriːna de ˈmɛːditʃi]; French: Catherine de Médicis, pronounced [katʁin də medisis]; 13 April 1519 – 5 January 1589) was an Italian ( Florentine) noblewoman born into the Medici family. She was Queen of France from 1547 to 1559 by marriage to King Henry II and the mother of French kings Francis II, Charles IX, and Henry III. The years during which her sons reigned have been called "the age of Catherine de' Medici" since she had extensive, if at times varying, influence on the political life of France.

Catherine was born in Florence to Lorenzo de' Medici, Duke of Urbino, and Madeleine de La Tour d'Auvergne. In 1533, at the age of 14, Catherine married Henry, the second son of King Francis I and Queen Claude of France, who would become Dauphin of France upon the death of his elder brother Francis in 1536. Catherine's marriage was arranged by her uncle Pope Clement VII. During his reign, Henry excluded Catherine from state affairs and instead showered favours on his chief mistress, Diane de Poitiers, who wielded much influence over him. Henry's death in 1559 thrust Catherine into the political arena as mother of the frail 15-year-old Francis II. When Francis II died in 1560, she became regent on behalf of her 10-year-old son Charles IX and was thus granted sweeping powers. After Charles died in 1574, Catherine played a key role in the reign of her third son, Henry III. He dispensed with her advice only in the last months of her life but outlived her by just seven months. ( Full article...)

George IV (George Augustus Frederick; 12 August 1762 – 26 June 1830) was King of the United Kingdom of Great Britain and Ireland and King of Hanover from 29 January 1820 until his death in 1830. At the time of his accession to the throne, he was acting as prince regent for his father, King George III, having done so since 5 February 1811 during his father's final mental illness.

George IV was the eldest child of King George III and Queen Charlotte. He led an extravagant lifestyle that contributed to the fashions of the Regency era. He was a patron of new forms of leisure, style and taste. He commissioned John Nash to build the Royal Pavilion in Brighton and remodel Buckingham Palace, and commissioned Jeffry Wyatville to rebuild Windsor Castle. George's charm and culture earned him the title "the first gentleman of England", but his dissolute way of life and poor relationships with his parents and his wife, Caroline of Brunswick, earned him the contempt of the people and dimmed the prestige of the monarchy. He excluded Caroline from his coronation and asked the government to introduce the unpopular Pains and Penalties Bill in an unsuccessful attempt to divorce her. ( Full article...)

Marie-Joseph Paul Yves Roch Gilbert du Motier de La Fayette, Marquis de La Fayette (6 September 1757 – 20 May 1834), known in the United States as Lafayette ( /ˌlɑːfiːˈɛt, ˌlæf-/, French: [lafajɛt]), was a French aristocrat and military officer who volunteered to join the Continental Army, led by General George Washington, in the American Revolutionary War. Lafayette was ultimately permitted to command Continental Army troops in the decisive siege of Yorktown in 1781, the Revolutionary War's final major battle that secured American independence. After returning to France, Lafayette became a key figure in the French Revolution of 1789 and the July Revolution of 1830 and continues to be celebrated as a hero in both France and the United States.

Lafayette was born into a wealthy land-owning family in Chavaniac in the province of Auvergne in south central France. He followed the family's martial tradition and was commissioned an officer at age 13. He became convinced that the American revolutionary cause was noble, and he traveled to the New World seeking glory in it. He was made a major general at age 19, but he was initially not given American troops to command. He was wounded during the Battle of Brandywine but still managed to organize an orderly retreat, and he served with distinction in the Battle of Rhode Island. In the middle of the war, he sailed for home to lobby for an increase in French support. He returned to America in 1780 and was given senior positions in the Continental Army. In 1781, troops under his command in Virginia blocked forces led by Cornwallis until other American and French forces could position themselves for the decisive Siege of Yorktown. ( Full article...)

Abū al-ʿAbbās Aḥmad ibn Ṭalḥa al-Muwaffaq ( Arabic: أبو العباس أحمد بن طلحة الموفق), 853/4 or 860/1 – 5 April 902, better known by his regnal name al-Muʿtaḍid bi-llāh (Arabic: المعتضد بالله, "Seeking Support in God"), was the caliph of the Abbasid Caliphate from 892 until his death in 902.

Al-Mu'tadid was the son of al-Muwaffaq, who was the regent and effective ruler of the Abbasid state during the reign of his brother, Caliph al-Mu'tamid. As a prince, the future al-Mu'tadid served under his father during various military campaigns, most notably in the suppression of the Zanj Rebellion, in which he played a major role. When al-Muwaffaq died in June 891 al-Mu'tadid succeeded him as regent. He quickly sidelined his cousin and heir-apparent al-Mufawwid; when al-Mu'tamid died in October 892, he succeeded to the throne. Like his father, al-Mu'tadid's power depended on his close relations with the army. These were first forged during the campaigns against the Zanj and were reinforced in later expeditions which the Caliph led in person: al-Mu'tadid would prove to be the most militarily active of all Abbasid caliphs. Through his energy and ability, he succeeded in restoring to the Abbasid state some of the power and provinces it had lost during the turmoil of the previous decades. ( Full article...)

Justinian I ( /dʒʌˈstɪniən/ just-IN-ee-ən; Latin: Iustinianus, Classical Latin: [juːstiːniˈaːnʊs]; Greek: Ἰουστινιανός, translit. Ioustinianós, Medieval Greek: [i.ustini.aˈnos]; 482 – 14 November 565), also known as Justinian the Great, was the Eastern Roman emperor from 527 to 565.

His reign was marked by the ambitious but only partly realized renovatio imperii, or "restoration of the Empire". This ambition was expressed by the partial recovery of the territories of the defunct Western Roman Empire. His general, Belisarius, swiftly conquered the Vandal Kingdom in North Africa. Subsequently, Belisarius, Narses, and other generals conquered the Ostrogothic kingdom, restoring Dalmatia, Sicily, Italy, and Rome to the empire after more than half a century of rule by the Ostrogoths. The praetorian prefect Liberius reclaimed the south of the Iberian Peninsula, establishing the province of Spania. These campaigns re-established Roman control over the western Mediterranean, increasing the Empire's annual revenue by over a million solidi. During his reign, Justinian also subdued the Tzani, a people on the east coast of the Black Sea that had never been under Roman rule before. He engaged the Sasanian Empire in the east during Kavad I's reign, and later again during Khosrow I's reign; this second conflict was partially initiated due to his ambitions in the west. ( Full article...)

Stylianos Zaoutzes ( Greek: Στυλιανὸς Ζαούτζης, but Ζαουντζᾶς in Skylitzes) was a high Byzantine official of Armenian origin. Rising to high rank under Byzantine emperor Basil I (reigned 867–886), he then rose further to prominence under Basil's successor Emperor Leo VI the Wise (r. 886–912), who had a close friendship and possibly an affair with Stylianos's daughter Zoe Zaoutzaina. Stylianos Zaoutzes was Leo's leading minister during the first half of his reign, and was awarded the unique title of basileopator. His standing and influence declined after 895, but in 898, he became Leo's father-in-law when the Byzantine emperor married Zoe. He died in 899, in the same year as Zoe. Following an attempted coup by his relatives, the Zaoutzes clan was deprived of the considerable power it had amassed under Stylianos's tutelage. ( Full article...)

Publius Helvius Pertinax ( /ˈpɜːrtɪnæks/, PER-tin-ax; 1 August 126 – 28 March 193) was Roman emperor for the first three months of 193. He succeeded Commodus to become the first emperor during the tumultuous Year of the Five Emperors.

Born the son of a freed slave, Pertinax became an officer in the army. He fought in the Roman–Parthian War of 161–166, where his success led to higher positions in both the military and political spheres. He achieved the rank of provincial governor and urban prefect. He was a member of the Roman Senate, serving at the same time as the historian Cassius Dio. ( Full article...)

Đorđe Petrović OSA OSV (pronounced [dʑôːrdʑe pětroʋitɕ]; Serbian Cyrillic: Ђорђе Петровић; 14 November [ O.S. 3 November] 1762 – 25 July [ O.S. 14 July] 1817), known by the sobriquet Karađorđe (pronounced [kâradʑoːrdʑe]; Serbian Cyrillic: Карађорђе, lit. 'Black George'), was a Serbian revolutionary who led the struggle for his country's independence from the Ottoman Empire during the First Serbian Uprising. He held the title of Grand Vožd of Serbia from 15 February 1804 - 21 September 1813.

Born into an impoverished family in the Šumadija region of Ottoman Serbia, Karađorđe distinguished himself during the Austro-Turkish War of 1788–1791 as a member of the Serbian Free Corps, a militia of Habsburg and Ottoman Serbs, armed and trained by the Austrians. Fearing retribution following the Austrians' and Serb rebels' defeat in 1791, he and his family fled to the Austrian Empire, where they lived until 1794, when a general amnesty was declared. Karađorđe subsequently returned to Šumadija and became a livestock merchant. In 1796, the rogue governor of the Sanjak of Vidin, Osman Pazvantoğlu, invaded the Pashalik of Belgrade, and Karađorđe fought alongside the Ottomans to quash the incursion. ( Full article...)

Abdollah Mirza Qajar ( Persian: شاهزاده عبدالله میرزا قاجار; 25 November 1796 – 18 June 1846) was an Iranian prince ( shahzadeh) of the Qajar dynasty, the 11th son of Fath-Ali Shah, king of Qajar Iran from 1797 to 1834. Abdollah was the governor of Zanjan. He had two children, Mohsen Mirza and Shams al-Molok, with his wife. Other than that, he had 19 sons and 9 daughters from his concubines.

Abdollah Mirza distinguished himself early on in the Russo-Iranian War of 1826. Though his administration was accompanied by growth and development, he was twice ousted from the government due to complaints. The second time, Fath-Ali Shah handed over the rule of Zanjan to his other son, Fathollah Mirza. Following the death of Fath-Ali Shah, Abdollah tried to reclaim his rule by mobilizing and attacking Zanjan but failed. When during the early reign of Mohammad Shah ( r. 1834-1848) the eldest sons of Fath-Ali Shah rebelled against him, Abdollah Mirza, unlike his other brothers, went on to confirm his rule. ( Full article...)

Julia Domna (Latin: [ˈjuːli.a ˈdomna]; c. 160 – 217 AD) was Roman empress from 193 to 211 as the wife of Emperor Septimius Severus. She was the first empress of the Severan dynasty. Domna was born in Emesa (present-day Homs) in Roman Syria to an Arab family of priests of the deity Elagabalus. In 187, she married Severus, who at the time was governor of the Roman province of Gallia Lugdunensis. They had two sons, Caracalla and Geta. A civil war over the Roman throne broke out in 193, and shortly afterwards Severus declared himself emperor. The war ended in 197 with the defeat of the last of Severus's opponents.

As empress, Domna was famous for her political, social, and philosophical influence. She received titles such as "Mother of the Invincible Camps". After the elder of her sons, Caracalla, started ruling with his father, she was briefly co-empress with Caracalla's wife, Fulvia Plautilla, until the latter fell into disgrace. Following the death of Severus in 211, Domna became the first empress dowager to receive the title combination "Pia Felix Augusta", which may have implied greater powers being vested in her than what was usual for a Roman empress mother. Her sons succeeded to the throne. They had a conflictual relationship and Domna acted as their mediator, but Caracalla had his brother Geta assassinated later that year. ( Full article...)

Boris Mikhailovich Skossyreff (Russian: Бори́с Миха́йлович Ско́сырев, romanized: Boris Mikhailovich Skosyrev; Catalan: Borís Mikhàilovitx Skóssirev pronounced [boˌɾis .mikˌaj.lo.vit͡ʃ ˈsko.si.ɾef]; 12 June 1896 – 27 February 1989) was a Belarusian adventurer, international swindler and pretender who attempted to seize the monarchy of the Principality of Andorra during the early 1930s, styling himself King Boris I of Andorra.

Skossyreff was born in Lithuania to a family of lower nobility from Belarus. Following the outbreak of the 1917 Russian Revolution, Skossyreff was able to seek political asylum in England, where he enlisted in the British army for the end of World War I. This was followed by his work in the British Foreign Office. He moved to the Netherlands in the mid 1920s, where he was in a list of Prominent Foreign Revolutionaries in 1924, prepared by the General Intelligence and Security Service, in which he was noted as an international swindler. Despite this, Skossyreff falsely claimed to have been working in the Royal household of the Netherlands. ( Full article...)

Pacorus I (also spelled Pakoros I; Parthian: 𐭐𐭊𐭅𐭓; died 38 BC) was a Parthian prince, who was the son and heir of Orodes II ( r. 57–37 BC). The numismatist David Sellwood deduced that Pacorus ruled in c. 39 BC. It is uncertain whether Pacorus ruled alongside his father, or ruled independently. His wife was an unnamed Armenian princess, who was a sister of the Artaxiad king of Armenia, Artavasdes II ( r. 55–34 BC).

Following the Parthian victory against the Romans at the Battle of Carrhae in 53 BC, the Parthians attempted to capture Roman-held territories in Western Asia, with Pacorus acting as one of the leading commanders. Although they were initially successful, they were repelled by the Romans. Pacorus himself was defeated and killed at the Battle of Mount Gindarus by the forces of the Publius Ventidius Bassus. His death spurred a succession crisis in which Orodes II, deeply afflicted by the death of his favourite son, relinquished the throne to his other son Phraates IV ( r. 37–2 BC) as his new heir. ( Full article...)

Ermengard of Italy (died 896/897) was Queen of Provence as the spouse of King Boso. She was the second and only surviving child of Emperor Louis II. In her early life, she was betrothed to Constantine, the junior Byzantine emperor, but whether the marriage actually occurred or not is still debated among historians. In 871, Ermengard and her family were taken hostage by Adelchis of Benevento but were later freed. In 876, Ermengard married Boso, a nobleman with connections to the Carolingian dynasty, and became queen upon his accession to the throne of Provence in 879. After her husband's death in 887, she served as regent of the kingdom during the minority of her son Louis the Blind. ( Full article...)

Ridwan ( c. 1077 – 10 December 1113) was a Seljuk emir of Aleppo from 1095 until his death.

Ridwan was born to the Seljuk prince Tutush, who had established a principality in Syria after his brother, Sultan Malik-Shah I granted him the region and its adjacent areas as an appanage. After the death of Malik-Shah, Tutush claimed the Seljuk crown, but he was killed by the forces of his nephew Berkyaruq near Ray, Iran. Following this, Ridwan moved to Aleppo and proclaimed himself the new emir. His brother Duqaq's declaration of a new emirate in Damascus split the Syrian Seljuk state in two and started a rivalry between the brothers which continued even after the arrival of the First Crusade in 1097. Ridwan tried to banish the Crusaders with gold, and fought the Principality of Antioch, a Crusader state established after the end of the Siege of Antioch in 1098. Bohemond I of Antioch invaded Ridwan's domain and reached Aleppo's surroundings. Bohemond's successor, Tancred, regent of Antioch, also warred against Ridwan, but the two later allied in a conflict against the emir of Mosul, Jawali Saqawa, supported by Baldwin II of Edessa and Joscelin I, the Lord of Turbessel. ( Full article...)

Béla IV (1206 – 3 May 1270) was King of Hungary and Croatia between 1235 and 1270, and Duke of Styria from 1254 to 1258. As the oldest son of King Andrew II, he was crowned upon the initiative of a group of influential noblemen in his father's lifetime in 1214. His father, who strongly opposed Béla's coronation, refused to give him a province to rule until 1220. In this year, Béla was appointed Duke of Slavonia, also with jurisdiction in Croatia and Dalmatia. Around the same time, Béla married Maria, a daughter of Theodore I Laskaris, Emperor of Nicaea. From 1226, he governed Transylvania as duke. He supported Christian missions among the pagan Cumans who dwelled in the plains to the east of his province. Some Cuman chieftains acknowledged his suzerainty and he adopted the title of King of Cumania in 1233. King Andrew died on 21 September 1235 and Béla succeeded him. He attempted to restore royal authority, which had diminished under his father. For this purpose, he revised his predecessors' land grants and reclaimed former royal estates, causing discontent among the noblemen and the prelates.

The Mongols invaded Hungary and annihilated Béla's army in the Battle of Mohi on 11 April 1241. He escaped from the battlefield, but a Mongol detachment chased him from town to town as far as Trogir on the coast of the Adriatic Sea. Although he survived the invasion, the Mongols devastated the country before their unexpected withdrawal in March 1242. Béla introduced radical reforms in order to prepare his kingdom for a second Mongol invasion. He allowed the barons and the prelates to erect stone fortresses and to set up their private armed forces. He promoted the development of fortified towns. During his reign, thousands of colonists arrived from the Holy Roman Empire, Poland and other neighboring regions to settle in the depopulated lands. Béla's efforts to rebuild his devastated country won him the epithet of "second founder of the state" ( Hungarian: második honalapító). ( Full article...)

William, Prince of Wales KG, KT, PC, ADC (William Arthur Philip Louis; born 21 June 1982), is the heir apparent to the British throne. He is the elder son of King Charles III and Diana, Princess of Wales.

William was born during the reign of his paternal grandmother, Queen Elizabeth II. He was educated at Wetherby School, Ludgrove School and Eton College. He earned a Master of Arts degree in geography at the University of St Andrews where he met his future wife, Catherine Middleton. They have three children: George, Charlotte and Louis. After university, William trained at the Royal Military Academy Sandhurst prior to serving with the Blues and Royals. In 2008 William graduated from the Royal Air Force College Cranwell, joining the RAF Search and Rescue Force in early 2009. He served as a full-time pilot with the East Anglian Air Ambulance for two years, starting in July 2015. ( Full article...)

John Komnenos ( Greek: Ἰωάννης Κομνηνός, Iōannēs Komnēnos; c. 1015 – 12 July 1067) was a Byzantine aristocrat and military leader. The younger brother of Emperor Isaac I Komnenos, he served as Domestic of the Schools during Isaac's brief reign (1057–59). When Isaac I abdicated, Constantine X Doukas became emperor and John withdrew from public life until his death in 1067. Through his son Alexios I Komnenos, who became emperor in 1081, he was the progenitor of the Komnenian dynasty that ruled the Byzantine Empire from 1081 until 1185, and the Empire of Trebizond from 1204 until 1461. ( Full article...)

Genghis Khan (born Temüjin; c. 1162 – 25 August 1227), also Chinggis Khan, was the founder and first khan of the Mongol Empire, which he ruled from 1206 until his death in 1227; it later became the largest contiguous empire in history. After spending most of his life uniting the Mongol tribes, he launched a series of military campaigns, conquering large parts of China and Central Asia.

Born between 1155 and 1167 and given the name Temüjin, he was the oldest child of Yesugei, a Mongol chieftain of the Borjigin clan, and his wife Hö'elün. When Temüjin was eight, his father died and his family was abandoned by its tribe. Reduced to near-poverty, they managed to survive, although Temüjin killed his half-brother Behter to secure his position. As he grew to manhood, he began to gain followers, and he made alliances with two prominent steppe leaders named Jamukha and Toghrul; they worked together to retrieve Temüjin's kidnapped wife Börte. As his reputation grew, his relationship with Jamukha deteriorated into open warfare. Temüjin was decisively defeated in c. 1187, possibly spending the following years as a subject of the Jin dynasty; upon reemerging in 1196, he swiftly began gaining power. Toghrul came to view Temüjin as a threat, and launched a surprise attack on him in 1203. Temüjin retreated, then regrouped and overpowered Toghrul; after defeating the Naiman tribe and executing Jamukha, he was left as the sole ruler in the Mongolian steppe. ( Full article...)

Charles III (Charles Philip Arthur George; born 14 November 1948) is King of the United Kingdom and the 14 other Commonwealth realms.

Charles was born in Buckingham Palace during the reign of his maternal grandfather, King George VI, and became heir apparent when his mother, Queen Elizabeth II, acceded to the throne in 1952. He was created Prince of Wales in 1958 and his investiture was held in 1969. He was educated at Cheam School and Gordonstoun, and later spent six months at the Timbertop campus of Geelong Grammar School in Victoria, Australia. After completing a history degree from the University of Cambridge, Charles served in the Royal Air Force and the Royal Navy from 1971 to 1976. In 1981, he married Lady Diana Spencer. They had two sons, William and Harry. Charles and Diana divorced in 1996, after they had each engaged in well-publicised extramarital affairs. Diana died as a result of injuries sustained in a car crash the following year. In 2005, Charles married his long-term partner, Camilla Parker Bowles. ( Full article...)