What were the successes of the first crusade?

The First Crusade, launched in 1096, achieved significant successes, most notably the capture of Jerusalem in 1099. Crusaders established several Crusader states, including the Kingdom of Jerusalem, which provided a foothold for Christendom in the Holy Land. The campaign also unified diverse European factions under a common cause, bolstering the papacy's influence. Additionally, it showcased the military effectiveness of the Crusaders, despite their initial lack of preparation and resources.