Category:Start-Class vital articles
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Subcategories
This category has the following subcategory, out of 2 total.
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Pages in category "Start-Class vital articles"
The following 200 pages are in this category, out of approximately 14,176 total. This list may not reflect recent changes.
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- Talk:Alonso de Ojeda
- Talk:Chukwuemeka Odumegwu Ojukwu
- Talk:Oka (river)
- Talk:Okapi Wildlife Reserve
- Talk:Okara, Pakistan
- Talk:Okavango River
- Talk:Okayama
- Talk:Okayama Prefecture
- Talk:Okazaki, Aichi
- Talk:Uche Okeke
- Talk:Lorenz Oken
- Talk:Stephanie Okereke Linus
- Talk:Christopher Okigbo
- Talk:Jay-Jay Okocha
- Talk:Yvonne Okoro
- Talk:Marc Okrand
- Talk:Ōkubo Toshimichi
- Talk:Bulat Okudzhava
- Talk:Oladyi
- Talk:Heinrich Wilhelm Matthias Olbers
- Talk:Old Prussians
- Talk:Old World
- Talk:Old World flycatcher
- Talk:Old World oriole
- Talk:Old World porcupine
- Talk:Old World quail
- Talk:Old World warbler
- Talk:Olericulture
- Talk:Oligochaeta
- Talk:Olive (color)
- Talk:João Figueiredo
- Talk:King Oliver
- Talk:Gregory Olsen
- Talk:Olympiad
- Talk:Olympian 1
- Talk:Olympic Mountains
- Talk:Olympic Peninsula
- Talk:Olympic weightlifting
- Talk:Bennet Omalu
- Talk:Sydney Omarr
- Talk:Omdurman
- Talk:Omega Nebula
- Talk:Omelette
- Talk:Omeros
- Talk:Thierry Omeyer
- Talk:Omnivore
- Talk:Omo River
- Talk:On Liberty
- Talk:Onager (weapon)
- Talk:Aristotle Onassis
- Talk:Ondo State
- Talk:One Day International
- Talk:One half
- Talk:One Man's Family
- Talk:One-dimensional space
- Talk:One-night stand
- Talk:One-piece swimsuit
- Talk:One-pot synthesis
- Talk:Eugene M. O'Neill
- Talk:Oni
- Talk:Onion ring
- Talk:Onium
- Talk:Onjo of Baekje
- Talk:Online chat
- Talk:Online magazine
- Talk:Online streamer
- Talk:Jiro Ono (chef)
- Talk:Onomatopoeia
- Talk:Ontong Java Atoll
- Talk:Onyx
- Talk:Oogonium
- Talk:Oolite
- Talk:Oolong
- Talk:Jan Oort
- Talk:Op art
- Talk:Opacity (optics)
- Talk:Opah
- Talk:Opera house
- Talk:Operation (mathematics)
- Talk:Operation Bagration
- Talk:Operation Enduring Freedom – Philippines
- Talk:Operation Reinhard
- Talk:Operation Uphold Democracy
- Talk:Operation Weserübung
- Talk:Operational level of war
- Talk:Operator (physics)
- Talk:Ophanim
- Talk:Ophidiiformes
- Talk:Opinion
- Talk:E. Phillips Oppenheim
- Talk:Ernest Oppenheimer
- Talk:Joshua Oppenheimer
- Talk:Opportunistic infection
- Talk:Opportunity cost
- Talk:Opposite category
- Talk:Oprichnina
- Talk:Optical depth
- Talk:Optical filter
- Talk:Optical path length
- Talk:Optical power
- Talk:Optical pumping
- Talk:Opticks
- Talk:Optymistychna Cave
- Talk:OR gate
- Talk:Ora et labora
- Talk:Oracle
- Talk:Oral administration
- Talk:Oral exam
- Talk:Oral, Kazakhstan
- Talk:Oratorio
- Talk:Orchard
- Talk:Order of Saint John (Bailiwick of Brandenburg)
- Talk:Ordoño II of León
- Talk:Ore
- Talk:José María Orellana
- Talk:Orenburg
- Talk:Øresund
- Talk:Organ system
- Talk:Organic law
- Talk:Organic matter
- Talk:Organisation of African Unity
- Talk:Organization of the Black Sea Economic Cooperation
- Talk:Organizational communication
- Talk:Oriental rat flea
- Talk:Original Dixieland Jass Band
- Talk:Orion Arm
- Talk:Lyubov Orlova
- Talk:Ornithopoda
- Talk:Oromo expansion
- Talk:Orpiment
- Talk:Orrorin
- Talk:Orry-Kelly
- Talk:Amancio Ortega
- Talk:Orthoceras
- Talk:Orthoclase
- Talk:Orthodoxy
- Talk:Orthodoxy (book)
- Talk:Orthography
- Talk:Orthonectida
- Talk:Orthorhombic crystal system
- Talk:Oruro
- Talk:Oryx
- Talk:Oryza glaberrima
- Talk:Osaka Metro
- Talk:Osaka Prefecture
- Talk:Sono Osato
- Talk:Carl Osburn
- Talk:Osei Kofi Tutu I
- Talk:Osh
- Talk:Douglas Osheroff
- Talk:Oskemen
- Talk:Oslo Opera House
- Talk:Hâfiz Osman
- Talk:Osmoregulation
- Talk:Osmosis
- Talk:Osmotic pressure
- Talk:Manuel Luís Osório, Marquis of Erval
- Talk:Ostankino Tower
- Talk:Osteoglossiformes
- Talk:Ostraciidae
- Talk:Ostracism
- Talk:Nikolai Ostrovsky
- Talk:La Belle Otero
- Talk:Elisha Otis
- Talk:Otitis
- Talk:Otto III, Holy Roman Emperor
- Talk:Frei Otto
- Talk:Ottoia
- Talk:Ottoman entry into World War I
- Talk:Ottoman Tripolitania
- Talk:Ottoman–Mamluk War (1516–1517)
- Talk:Ottonian dynasty
- Talk:Oudh State
- Talk:Idrissa Ouédraogo
- Talk:Oujda
- Talk:Ounce
- Talk:Maria Ouspenskaya
- Talk:Out (magazine)
- Talk:Richard F. Outcault
- Talk:Outcome (probability)
- Talk:Outrigger
- Talk:Ouyang Xun
- Talk:Ovambo language
- Talk:Thomas Overbury
- Talk:Overcoat
- Talk:John Owen (epigrammatist)
- Talk:Owlet-nightjar
- Talk:Owner's manual
- Talk:Oxalic acid
- Talk:Oxfordshire
- Talk:Oxide mineral
- Talk:Oxidizing agent
- Talk:Oxonium ion
- Talk:Oxyaenidae
- Talk:Oxygen difluoride
- Talk:Oxygen mask
- Talk:Ōyama Iwao
- Talk:Yasuharu Ōyama
- Talk:Oyo State
- Talk:Ozaki Kōyō