May 1453 lunar eclipse
A partial lunar eclipse occurred on May 22, 1453.
It was seen during the Fall of Constantinople (the capture of the capital of the Byzantine Empire), during the siege that lasted from Thursday, 5 April 1453 until Tuesday, 29 May 1453), after which the city fell to the Ottomans. The lunar eclipse was considered to be fulfilling a prophecy for the city's demise. It is said a blood moon took place during the eclipse.