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February 25, 628
Khosrow II, the last great king of the Sasanian Empire, was overthrown by his son Kavad II.
Khosrow II
Khosrow II, commonly known as Khosrow Parviz, is considered to be the last great Sasanian King of Kings (Shahanshah) of Iran, ruling from 590 to 628, with an interruption of one year.
Sasanian Empire
The Sasanian Empire, officially Eranshahr, was an Iranian empire that was founded and ruled by the House of Sasan from 224 to 651. Enduring for over four centuries, the length of the Sasanian dynasty's reign over ancient Iran was second only to the directly preceding Arsacid dynasty of Parthia.