Every one of the listed regions was taken, within the space of a hundred years, from Christian control by Every one of the listed regions was taken, within the space of a hundred years, from Christian control by violence .
The cause of the first Christian crusade was because of the Muslim Turks invading and taking over the holy land .
The effect of the first crusade was that the Cristian captured Jerusalem and other , then divided into four state the holy land.
The Christians lost during the second crusade and didn't get one of the four states taken by Muslims Turks , but kept the other three.
Richard the lion-hearted lead to the third crusade and ended with a treaty so Muslims kept Jerusalem but Christian pilgrims could travel freely .
His early crusades saw him personally leading the Ottoman army to vanquish the Christian strongholds in the Mediterranean and central Europe. These included invasion of Belgrade in 1521 and Rhodes in 1522.
Their entrance to the city [of Jerusalem] was horrifying. They started with an infamous massacre. They killed people in the streets, in their houses and in alleyways. Arab sources talk about a hundred thousand people slaughtered.
it change the catholic church ,commerce and last intellectual changes , those were the top three.