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September 17 · 21 events1197
Battle between the Kingdom of Jerusalem and Ayyubid Dynasty
Battle between the Kingdom of Jerusalem and Ayyubid Dynasty
war
1320
1320 Part of the Byzantine–Frankish conflicts of the Frankokratia
1320 Part of the Byzantine–Frankish conflicts of the Frankokratia
war
1349
Earthquake sequence in Italy's Apennine Mountain region
Earthquake sequence in Italy's Apennine Mountain region
disaster
1429
1429 Joan D' Arc's Siege
1429 Joan D' Arc's Siege
war
1462
1462 battle during the Thirteen Years' War
1462 battle during the Thirteen Years' War. Decisive Polish victory over Teutonic Knights
war
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