Who took part in the first crusade?

The first crusade was attended by: the Holy Roman Empire, Genoa, the Kingdom of France, Boulogne, Blois, Lorraine, Flanders, Provence, Cilician Armenia, the Byzantine Empire, Tarentum, Apulia, Normandy, England, Vermandois, Puy-en-Vele. So in 1096 the crusading army moved east. In 1099, the same army was able to besiege and take Jerusalem. Thus, the result of the first campaign was the capture of Jerusalem and the emergence of four crusader states.

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