The Battle of Jabal Shammar, or Battle of Umm Radh'ma () took place on August 1929, between a raiding rebellious Ikhwan party and the ally tribes of Ibn Saud. It was the second large scale engagement of the Ikhwan Revolt in Arabia. The rebel Ikhwan tribesmen were defeated by the loyal pro-Saudi forces. Scope of the battle After the defeat in Sabillah, Ikhwan tribesmen and government troops clashed again in the Jabal Shammar region, on August 1929, resulting in the deaths of some 1,000 men. According to Ibn Saud Information Resource, the battle, fought between Ikhwan raiders under command of Azaiyiz, son of Faisal al-Dawish, and the loyal Saudi forces of Shammar tribesmen, under the leadership of Nida bin Naheer, was "furious" and "many fell". Both party leaders, Azaiyiz of the Ikhwan and Nida of the Shammar fell in the battle. See also Emirate of Jabal Shammar Ikhwan raids on Transjordan References Jabal Shammar (1929) Conflicts in 1929 1929 in Asia