January 1919, the British army occupied the city via the Iraqi border and annexed it to Iraqi territory. The British government took care of the security and cleanliness of the city and set up a primary school that started teaching English. Fadel Al-Aboud remained mayor, During this period, Fadel Al-Aboud and a number of leaders of the Baggara tribe, Agedat and other tribes represented the Euphrates region at the Syrian National Congress held in late June 1919 Which declared on 8 March 1920 the independence of Syria and establishment of Arab Kingdom of Syria and the appointment of Faisal Ibn Al-Sharif Hussein as King. The people of Deir Ezzor sought to get rid of British rule and wrote their wish to the Arab government in Damascus, The Iraqi officers of the Iraqi "Al-'Ahd Party" in Damascus wanted to occupy Deir Ezzor to make it a base to liberate Iraq from the British occupation. So they appointed Ramadan al-Shallash as governor of Raqqa to be a step to liberate Deir Ezzor, Officer Ramadan al-Shallash came and occupied Deir Ezzor with the help of her people and "Albu Saraya" clan, and British troops withdrew on 27 December 1919 to the Iraqi border. The Second government of Haj Fadel On 27 December 1919, Ramadan al-Shallash took over the administration of Deir Ez-Zor as a military ruler, and his authority was nominal and the real ruling was to the city's notables, and they were not satisfied with his actions. Hence, they took him out of the city after two months. After the Battle of Maysalun on 24 July 1920 and occupation of Damascus by the French forces, the city of Deir ez-Zor was in a state of chaos and insecurity, which prompted Al-Hassan to form his second government, Which has done great services in protecting the city and maintaining the security of its people despite its limited capabilities. This government continued its work until 23 November 1920, when it was dissolved by a decision of the French occupation authorities. King Faisal left Syria for Hauran then Haifa and from there to Como in Italy then to London in October 1920 at the invitation of the British royal family, Upon his departure, the monarchy in Syria ended and began the French Mandate era. French Mandate In July 1920, French General Henri Gouraud issued an ultimatum to the government of King Faisal, known as the "Gouraud