Шаджар ад-Дурр
In political affairs, Shajar al-Durr played a crucial role after the death of her first husband during the Seventh Crusade against Egypt (1249–1250 AD). She became the sultana of Egypt on 2 May, 1250, marking the end of the Ayyubid reign and the start of the Mamluk era. There are several theories about the ethnic roots of Shajar al-Durr. Many Muslim historians believed that she was of either Bedouin, Circassian, Greek or Turkic origin and some believed that she was of Armenian origin.