Conquest of Ha'il

Conquest of Ha'il also referred as the Third Saudi–Rashidi War, was engaged by the Saudi forces, which received British military assistance and its ally Ikhwan tribesmen upon the Emirate of Jabal Shammar, under the last Rashidi ruler. On November 2, 1921, the last Al Rashid dynasty rulers surrendered Jabal Shammar to the Saudi forces.

Naming
The Emirate of Jabal Shammar had its capital in the city of Ha'il, and was also known as the "Emirate of Ha'il". The Conquest of Ha'il is also often mistakenly labeled as the Second Saud-Rashidi War.