Unification of Saudi Arabia (jan 1, 1902 – jan 1, 1934)

Description:

Location: Arabian Peninsula (including South Arabia), Mandatory Iraq, Transjordan and Kuwait

Result:
- Saudi takeover of central and northern parts of Arabia:
- End of the Emirate of Jabal Shammar and Kingdom of Hejaz.
- End of Ottoman presence in the Arabian Peninsula.
- Establishment of the Kingdom of Saudi Arabia in 1932.
- Annexation of Asir, Najran, and Jizan after the Saudi-Yemeni War in 1934.

The Unification of Saudi Arabia was a military and political campaign in which the various tribes, sheikhdoms, city-states, emirates, and kingdoms of most of the Arabian Peninsula were conquered by the House of Saud, or Al Saud. Unification started in 1902 and continued until 1932, when the Kingdom of Saudi Arabia was proclaimed under the leadership of King Abdulaziz, creating what is sometimes referred to as the Third Saudi State, to differentiate it from the Emirate of Diriyah, the First Saudi State and the Emirate of Nejd, the Second Saudi State, also House of Saud states.

The Al-Saud had been in exile in the British-protected Emirate of Kuwait since 1893, after their second episode of removal from power and dissolution of their polity, this time by the Al Rashid Emirate of Ha'il. In 1902, Abdulaziz Al Saud recaptured Riyadh, the Al Saud dynasty's former capital. He went on to subdue the rest of Nejd, al-Hasa, Jebel Shammar, Asir, and Hejaz (the location of the Muslim holy cities of Mecca and Medina) between 1913 and 1926. The resultant polity was named the Kingdom of Nejd and Hejaz from 1927 until it was further consolidated with al-Hasa into the Kingdom of Saudi Arabia in 1932.

It has often been claimed that this process caused some 400,000 to 800,000 casualties. However, recent research suggests that though bloody, the number of deaths and injuries was significantly lower.

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