Emirate of Nejd and Hasa (Great Britain)

This article is about the specific polity Emirate of Nejd and Hasa (Great Britain) and therefore only includes events related to its territory and not to its possessions or colonies. If you are interested in the possession, this is the link to the article about the nation which includes all possessions as well as all the different incarnations of the nation.

If you are looking for the page with the statistics about this polity you can find it here:All Statistics

With the Treaty of Darin, the lands of the House of Saud were made a British protectorate.

Establishment

December 1915: The British entered into the Treaty of Darin, which made the lands of the House of Saud a British protectorate.

Chronology

Interactive Chronologies with maps are available in the section Changes Navigation

1. Unification of Saudi Arabia

Were a series of wars and events that resulted in the establishment of modern-day Saudi Arabia.

July 1919: The First Saudi-Hashemite War or the Al-Khurma dispute took place in 1918-1919 between Abdulaziz Ibn Abdul Rahman AlSaud of the Emirate of Nejd and the Hashemites of the Kingdom of Hejaz. It resulted in the defeat of the Hashemite forces and capture of al-Khurma by the Saudis.

January 1922: The Sultanate of Nejd was the second iteration of the third Saudi state, from 1921.

1.1.Kuwait-Najd War

Was a war between the Saudi state of Nejd and Kuwait caused by the Saudis goal to annex Kuwait.

October 1920: Battle of Jahra.

1.2.Conquest of Ha'il

Was a war between the Emirate of Jabal Shammar and the Saudi Sultanate of Nejd.

November 1921: The last Al Rashid dynasty rulers surrendered Jabal Shammar to the Saudi forces.

2. World War I

Was a global conflict between two coalitions, the Allies (primarily France, the United Kingdom, Russia, Italy, Japan, and the United States) and the Central Powers (led by Germany, Austria-Hungary, and the Ottoman Empire). It was mainly caused by the competition of the western countries over domain in Europe and in the rest of the world with their colonial empires. The war ended with the defeat of the Central Powers. The war also caused the Russian Revolution and the ensuing Russian Civil War.

2.1.World War I Middle East Theatre

Was the theatre of war in the Middle East during World War I.

2.1.1.Mesopotamian campaign

Was a military operation by the British Empire to conquer Ottoman-held Mesopotamia.

November 1918: British troops led by general Cobbe marched unopposed into the city of Mosul on the 14 November 1918.