Battle of Mu'tah

The Battle of Mu'tah was the first major Muslim engagement against the Byzantine Empire, fought in what is today southern Jordan. The Prophet ﷺ dispatched approximately 3,000 men under Zayd ibn Haritha to avenge the killing of his ambassador by the Ghassanid ruler. They faced a Byzantine and allied force reportedly numbering in the tens of thousands. The three commanders appointed in succession by the Prophet ﷺ — Zayd ibn Haritha, Ja'far ibn Abi Talib, and Abdullah ibn Rawaha — all fell as martyrs in battle. Command passed to Khalid ibn al-Walid, who had only recently embraced Islam. Through brilliant tactical manoeuvring, Khalid managed an orderly withdrawal, saving the Muslim force from annihilation and earning the title Sayf Allah (Sword of Allah) from the Prophet ﷺ. Though militarily inconclusive, the battle demonstrated Muslim willingness to confront the most powerful empire of the age and established Khalid's extraordinary military gifts.