| Conquest of Damascus | |||||||
|---|---|---|---|---|---|---|---|
| Part of Muslim conquest of Syria Byzantine-Arab Wars | |||||||
 | |||||||
| |||||||
| Belligerents | |||||||
| Rashidun Caliphate | Byzantine empire. | ||||||
| Commanders and leaders | |||||||
| Khalid ibn al-Walid | Thomas | ||||||
| Strength | |||||||
| 20,000 | 15,000-16,000 | ||||||
Damascus was conquered by the forces of Rashidun Caliphate after about one month long siege, from 21th August to 19th September 634 A.D. It was first major city of Byzantine empire conquered by Muslims during the Muslim conquest of Syria.