I have found no numbers yet. But the christian crusades last from 1095-1578... Thats almost 500yrs...
lol some of the beginning actions...
The son of Eleanor of Aquitaine, queen of France and England, he was already a veteran warrior and strategist when he arrived in the Holy Land in 1191 at the age of 33. He took a different view of war from Saladin's. After one battle, he had the captured men–16,000 of them, according to William of Tyre's occasionally inflated account–beheaded within full view of their own armies. For 16 months, Saladin and Richard battled across the parched plains of the Holy Land.
Just 16months of 500 yrs...
Lets not forget the Muslims and Hindus....