Pope Leo X: Did you mean...?

An illustration from a 12th century CE manuscript depicting the proclamation of Leo V the Armenian, emperor of the Byzantine Empire from 813 to 820 CE. (Madrid Skylitzes, National Library, Madrid)

Built in the seventh century BCE, the ancient city of Byzantium proved to be a valuable city for both the Greeks and Romans. Because it lay on the European side of the Strait of Bosporus, the Emperor Constantine understood its strategic importance...

Martin Luther (l. 1483-1546) was a German priest, monk, and theologian who became the central figure of the religious and cultural movement known as the Protestant Reformation. Even though earlier reformers had expressed Luther's views, his...

An early title page from The History and Description of Africa by Leo Africanus (1485-1554), first published in 1526.

Many scholars, without concrete evidence, believe that Leo Africanus 1485-1554 was the inspiration behind William Shakespeare’s Othello, shown here with Desdemona in an 1849 painting by Théodore Chassériau, currently in the Louvre Museum...

Portrait of a Humanist by Sebastiano del Piombo c. 1520. The identity of the person is unknown. Dietrich Rauchenberger has suggested that the painting may depict Leo Africanus (1485-1554).

Leo Lesquereux, 19th-century paleobotanist, image by an unknown artist, published in Popular Science Monthly April 1887.

A gold nomisma coin depicting Byzantine emperor Leo III (r. 717-741 CE). (British Museum, London)

A gold coin depicting Byzantine emperor Leo IV (r. 775-780 CE) on the right and his son and successor Constantine VI (r. 780-797 CE) on the left. (Classical Numismatic Group, Inc. http://www.cngcoins.com)

A gold solidus coin depicting Constantine V, emperor of the Byzantine empire between 741 and 775 CE (right) and Leo III (r. 685-741 CE)