Why an Atheist Thinks the Shroud of Turin is the Real Deal

Inevitable Warfare

That warfare would break out between the West and the East, was probably inevitable. That Constantinople would fall, probably also inevitable. That the city would be sacked when it fell is likely as well. Armed conflict had been a long time coming. 

The original purpose of the Fourth Crusades had been to recapture Jerusalem from the Muslims. But in 1203, despite the fact that the pope had explicitly prohibited attacks on Christians, the crusaders changed course and entered Constantinople’s harbor.