The Battle of Chausa was a notable military engagement between the Mughal emperor, Humayun, and the Afghan, Sher Shah Suri. It was fought on 26 June, 1539 at Chausa, 10 miles southwest of Buxar in modern-day Bihar, India. Sher Shah was victorious and crowned himself Farīd al-Dīn Shēr Shah.
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Battle of Chausa Wikipedia(Text) CC BY-SA