The battle begins in the revered name of Haider. Ali returns to Khaybar with his Zulfiqar," the official X account of Iran's Supreme Leader Ali Khamenei wrote on Tuesday.
"God is great," it added, including an illustration of a fortified town being attacked.
Khaybar was a fortified Jewish stronghold in Arabia that Ali ibn Abi Taleb, the first Shia Imam, is said to have conquered during a key battle in early Islamic history.
Khamenei often couches political decisions in terms of incidents in the sacred past of Shia Islam, the state creed of the theocracy he leads.
