Births on November 13

Christoph I, Margrave of Baden-Baden (1475-1515) (d. 1527)

Christopher I of Baden (13 November 1453 – 19 April 1527) was the Margrave of Baden from 1475 to 1515.

20 Apr

Blockade runner
Three Genoese galleys and a Byzantine blockade runner fight their way through an Ottoman blockading fleet a few weeks before the fall of Constantinople.
29 May

Mehmed the Conqueror
Fall of Constantinople: Ottoman armies under Sultan Mehmed II Fatih capture Constantinople after a 53-day siege, ending the Byzantine Empire.