An organizational chart (often called organization chart, org chart, organigram(me), or organogram) is a diagram that shows the structure of an organization and the relationships and relative ranks of its parts and positions/jobs.
Hortus Deliciarum, Die Philosophie mit den sieben freien Künsten, 1180
Family tree of medieval noble family, 12th century
Coronation of Henry the Lion, 12th century
Shield of the Trinity}} from a manuscript of Peter of Poitiers' writings, c. 1210.
Jacob van Maerlants, Der naturen bloeme, 13th c.
King Arthur - Chronicle of England, 1307
King Henry I and the sinking White Ship, 1307
King Henry II England and Thomas Becket, 1307
Round Table in the Grand Hall, Winchester, England, United-Kingdom, 1348
St. Thomas Aquinas Between Doctors of the Old and New Testaments, 1366
Philip IV of France, 14th century
Organizational Structure of the Empire of the Holy Roman Empire in Nuremberg Chronicle, 1493
Tuebinger Hausbuch Freie Kuenste, 15th century
Double-headed eagle with coats of arms of individual states, symbol of the Holy Roman Empire, 1510
Comment
Earlier examples of pure schemata can be found in the 9th-10th century work of
Alcuin's Disputatio de rhetorica et de virtutibus regis Karli et Albini magistri. see for example here, at Digitale Bibliothek - Münchener; or in similar works here at the Bern, Burgerbibliothek; here at St. Gallen, Stiftsbibliothek.
19th century, rise of modern organizational chart
Royal Society of Arts (Great Britain), 1808
New York and Erie Railroad Company, 1835
Listing of company officials and principal officers, 1848
New York and Erie Railroad Diagram representing a plan of organization by
D.C. McCallum, 1855