Abdullah I, King of Jordan (1882 – July 20, 1951) (Arabic: عبد الله الأول), also known as Abdullah bin al-Husayn (Arabic: عبد الله بن الحسين `Abd Allāh ibn al-Ḥusayn), was, successively, Emir of Transjordan (1921–1946) under a British Mandate, then King of Transjordan (May 25, 1946–1949), and King of the Hashemite Kingdom of Jordan (1949–1951). He is also frequently called King Abdullah the Founder (عبدالله المؤسس), since he was the founder of Jordan.