During World War I, Sharif Hussein bin Ali declared a revolt against the Ottoman Empire, seeking independence from the Ottoman Turks and the creation of a single unified Arab state spanning from Aleppo in Syria to Aden in Yemen.

King Hussein declared the Kingdom of Hejaz.
Later, Hussein was involved in war with Ibn Saud, who was the Sultan of Nejd.
Hussein abdicated following the fall of Mecca, in December 1924, and his son Ali bin Hussein became the new king.
During World War I, Sharif Hussein bin Ali declared a revolt against the Ottoman Empire, seeking independence from the Ottoman Turks and the creation of a single unified Arab state spanning from Aleppo in Syria to Aden in Yemen.
King Hussein declared the Kingdom of Hejaz. Later, Hussein was involved in war with Ibn Saud, who was the Sultan of Nejd. Hussein abdicated following the fall of Mecca, in December 1924, and his son Ali bin Hussein became the new king.
Jeddah