Faisal I of Iraq was the first king of modern Iraq, reigning from 1921 until his death in 1933. He was born in 1885 in Mecca and was a member of the Hashemite family, which claimed descent from the Prophet Muhammad. Faisal played a significant role in the Arab Revolt against the Ottoman Empire during World War I and later became the king of the newly established Kingdom of Iraq under a British mandate. Faisal I worked to unify the diverse ethnic and religious groups in Iraq, promoting national identity and modernization. His reign saw the establishment of a constitutional monarchy and efforts to develop infrastructure and education. Despite challenges, he is remembered for his efforts to stabilize the country and lay the groundwork for its future.