On the Conquest of Constantinople is one of the most important historical sources on the Fourth Crusade and the Sack of Constantinople.

The Byzantine Empire faced numerous challenges, forcing many Greeks to employ genius tactics to defend the Empire.

There it survives numerous abuses, including the Fourth Crusade in 1204, during which Constantinople is sacked and many of its books burned. Danish philologist Johan Ludvig Heiberg discovers the ...

Then, less than 100 years before Nicephorus put his reforms forward, Western crusaders had sacked Constantinople. If one part of the divided Christendom accepted changes to the calendar and ...