Yahya Muhammad Hamid ed-Din, who ruled from 1904 to 1948, was the first king of the Mutawakkilita Kingdom of Yemen. He became the imam of Yemen in 1918 after assuming power after the death of his father, Muhammad Al-Mansur. His full name and title was: "His Highness Amir al-Mumenin al-Mutawakkil 'Ala Allah Rab ul-Alamin Imam Yahya bin al-Mansur Bi'llah Muhammad Hamidaddin, the Imam and the Commander of the Faithful". Yahya Muhammad Hamid ed-Din He was born on June 18, 1869, in Sana'a, of the al-Qasimi dynasty of the Hamidaddin branch, which ruled most of present-day Yemen and southern Saudi Arabia for more than 900 years. When Yahya became the imam, he effectively ruled the mountainous areas that would later form part of North Yemen. However, the Ottoman Empire, which claimed the territory, did not recognize the rule of the Yemeni imams. Yahya spent the first years of his reign trying to drive out the Ottoman presence, who eventually retreated after their defeat in World War I. Yahya was a strict isolationist, never traveling outside of Yemen, never leaving the highlands of Sana'a, and never seeing the kingdom's coastline. Red Sea. On February 17, 1948, he was the victim of an assassination attempt.

Yahya Muhammad Hamid was the King of Yemen from 1918 to 1948. He led the Zaidi sect as an imam and was a descendant of the Prophet's family. He is famous for his wise and just rule and his struggle against the Ottomans and the British. He brought about modernization and the unity of Yemen. He also minted silver coins called 'Amadi', which were circular in shape and dated 1344 AH in the 1926 Christian calendar. These are rare and valuable numismatic objects.