First Crusade (1 ene 1095 año – 1 ene 1099 año)

Descripción:

Initiated by Byzantine's Emperor Alexios Komnenos I asked Pope Urban II for military help with defeating the invading Seljuks in exchange for Byzantine kindness to the Pope.
His request was cased by:
1. Instability in Constantinople
2. Seljuk threat from the east
3. Norman threat from the west

After the Council of Clermont in 1095, Urban called the First Crusade, going a little further than what Alexios had requested.
1. Need to eliminate the Rum Seljuk threat
2. We should liberate Christians under Muslim rule
3. Reclaim the holy land Jerusalem

Ended in the successful siege of Jerusalem

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