The fall of Constantinople took place #onthisday 29th May 1453 A.D. it was the capture of the capital of the Byzantine Empire by the invading army of the Ottoman Empire.
Their commander was by then, the 21 year old Mehmed the Conqueror, the seventh sultan of the Ottoman Empire who defeated the army of the Byzantine Emperor Constantine XI Palaiologies.
The conquest of Constantinople had followed 53 days of siege which began on 6th April.
The capture of Constantinople marked the end of the Roman Empire which was an Imperial state that lasted nearly 1,500 years.
The conquest of Constantinople was a massive blow to Christendom of the west, and the Ottoman armies soon were left unchecked to advance into Europe without an adversary to stop them.
Soon after the fall of Constantinople Sultan Mehmed II changed the capital from Edirne to Constantinople.
The fall of the Byzantine Empire is where many historians argue the start of the Middle Ages began.