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Battle of Ain Jalut happened on 1260-09-03.
First used at the battle of Ain Jalut in 1260 by the Mamluks.
The Mongols, specifically at the Battle of Ain Jalut.
Yes. Rather crude, single shot "handguns" were first used in the battle of Ain Jalut in the year 1260
The Mamluks in Egypt were able to successfully defeat the MONGOLS at the Battle of Ain Jalut, in modern-day Israel.