The correct answer to this open question is the following.
Unfortunately, you did not attach the "events" to choose from and answer your question. There ate no options included. So we cannot put them in order.
However, trying to help you we can comment on the following.
During the first Crusade, Europeans thought it was important to capture the city of Jerusalem and free the Holy Land from the Muslims.
The Holy land in Jerusalem territory has been a place of so many conflicts in the history of humankind. For Muslims, Jews, and Christians, Jerusalem is a sacred place, the most important place for the religions. That is the core of the conflict. The Crusades were a series of battles between Christians and Muslims, that took place over more than two centuries to capture Jerusalem and the Holy Land. The confrontations started in 1096 and ended in 1291. Millions of people died in this religious war.
