may 20, 1453 - -1453 Ottomans Conquer Byzantine Empire Sultan Mehnmed Was the leader at the time that helped the Byzantine empire conquer the Byzantine, He had the nickname the conquer afterwards.They had walls but they removoed them and that aided them to take over. The decrease of population was a big reason for the removal of the walls.
Added to timeline:
Date:
may 20, 1453
Now
~ 572 years ago