Dashed left edge = started before this timeline ·
Dashed right edge = still ongoing
Events in 633 1
633 – 651Muslim conquest of PersiaIslam replaces Zoroastrianism as the dominant faithThe Arab Muslim armies overthrew the Sasanian Empire between 633 and 651, ending over a thousand years of Persian imperial religion. Islam gradually replaced Zoroastrianism, but Persian language and culture survived and would deeply shape Islamic civilisation.