January 28, 2018
Charlemagne died on 28 January 814.
December 10, 2017
10 December: An Important Date in Eleventh-Century Byzantium.
May 7, 2017
A series of earthquakes in 553 and 557 caused significant structural damage to the Hagia Sophia, and during such a tremor on 7 May 558, the dome of the basilica collapsed completely, destroying the ambon, altar, and ciborium.
July 17, 2016
On 17 July 1204 the Venetian naval fleet broke through the sea wall fortifications of Constantinople, setting the city on fire and marking the conclusion of an episode of the Fourth Crusade .