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Al-Muzaffar Ahmad was the son of Shaykh al-Mahmudi, and a Mamluk sultan of Egypt from 13 January to 29 August 1421.
Sayf ad-Din Tatar was a Mamluk sultan of Egypt from 29 August to 30 November 1421.
An-Nasir ad-Din Muhammad was the son of Sayf ad-Din Tatar, and a Mamluk sultan of Egypt from 30 November 1421 to 1 April 1422.
The second son of Henry IV of England, Thomas of Lancaster, was killed in a battle.
