Premise: Shāh Mahmūd Hotak, (Pashto, Dari: ), also known as Shāh Mahmūd Ghiljī (Pashto: شاه محمود غلجي‎ ) (lived 1697 – April 22, 1725), was an Afghan ruler of the Hotak dynasty who overthrew the heavily declined Safavid dynasty to briefly become the king of Persia from 1722 until his death in 1725.
Hypothesis: Safavid dynasty was overthrown by a another dynasty.