The Fall of the Byzantine Empire (13 dic 1369 año – 19 jul 1453 año)
Descripción:
 The Byzantine Empire, the remaining eastern half of the Roman Empire, fell around this time.  It was destroyed by the Ottomans, who broke through the walls of Constantinople with cannons.  This marked the true fall of the Byzantine Empire.  The people fleeing from Constantinople contributed to the Renaissance in Italy. 
Añadido al timeline:
fecha:
13 dic 1369 año
19 jul 1453 año
 ~ 83 years