Stampedes occur mainly because people feel panic. It can be real or imaginary. For example people who are in a place feel an explosion and they start to run. To understand crush dynamics it is good to investigate the psychology of masses and the effect that this has on human behavior.
Creo que es natural
(sorry if my Spanish is bad, I'm still learning)
The Great Schism was between the B) Greek Orthodox Church and the C) Roman Catholic Church. This started at the beginning of the 11th Century and was a break of the communion, due to theological disputes regarding the Holy Spirit, whether leavened or unleavened bread should be used, the Pope's claim to universal jurisdiction and the place of Constantinople in relation to the Pentarchy.
He died of Cerebral Hemorrhage and died on tthe 28 of nov 1939