Key Facts
- Duration
- 1902–1932 (with final phase to 1934)
- Claimed casualties
- 400,000–800,000 (disputed by recent research)
- Starting event
- Ibn Saud recaptures Riyadh, 1902
- Territories absorbed
- Najd, Al-Hasa, Jabal Shammar, Hejaz, Asir
- Kingdom proclaimed
- 1932, renamed from Kingdom of Hejaz and Najd
Strategic Narrative Overview
In 1902, Ibn Saud seized Riyadh, the ancestral Saudi capital, launching three decades of military and political expansion. He subdued the remainder of Najd, wrested Al-Hasa from Ottoman control in 1913, defeated the Rashidi Emirate of Jabal Shammar, and conquered the Hejaz—including the holy cities of Mecca and Medina—from the Kingdom of Hejaz by 1925. The resulting domain was styled the Kingdom of Hejaz and Najd from 1926.
01 / The Origins
The House of Saud had been driven into exile in Kuwait by 1893 after the Rashidi dynasty, allied with the Ottoman Empire, dissolved their polity and seized control of Najd. Ibn Saud, heir to the Saudi claim, sought to restore his family's authority over the Arabian Peninsula, where power was fragmented among numerous tribes, sheikhdoms, city-states, and emirates competing under Ottoman suzerainty and rival dynastic influence.
03 / The Outcome
In 1932, the unified realm was renamed the Kingdom of Saudi Arabia, marking formal establishment of the Third Saudi state. A final consolidation phase concluded in 1934 when Saudi forces defeated Yemen in the Saudi–Yemeni War, extinguishing Yemeni claims to the southern provinces of Asir, Najran, and Jazan and cementing Saudi territorial control over most of the Arabian Peninsula.
Belligerents & Mobilization Analysis
Side A
1 belligerent
Ibn Saud (Abdulaziz ibn Saud).
Side B
4 belligerents
Kinetic Engagement Axis
Scroll horizontally to view full axis. Events plotted relatively.