The Levant Egypt North Africa Anatolia & Constantinople Border conflicts Sicily and Southern Italy Naval warfare Byzantine reconquest Ridda Wars Conquest of Sasanian Persia Conquest of Byzantine Syria Campaigns in Africa Campaigns in Armenia and Anatolia The Battle of Marj al-Saffar took place in 634.
At Damascus, Thomas, son-in-law of Byzantine Emperor Heraclius, was in charge.
Moreover, Thomas, in order to get more time to prepare for a siege, sent the armies to delay, or if possible, halt Khalid's march to Damascus.
One such army was defeated at the Battle of Yaqusa in mid-August 634 near Lake Tiberias 150 km from Damascus, another army that halted the Muslim advance to Damascus was defeated in the Battle of Marj al-Saffar on 23 January 635.
It is said that Umm Hakim bint al-Harith ibn Hisham, a Muslim heroine was involved in this battle and killed seven Byzantine soldiers.