Britain took Iraq from the Ottoman Turks during World War 1. In 1920, Britain was granted the right to govern the land by the League of Nations, as written in the Treaty of Sevres. A Hashemite monarchy also known as the Royal House of Hashim came from Jordan and was imposed as rulers. Two types of nationalism stemmed within the region-first variant, views of a unified nation consisting of Arab, Turkmen, Assyrian, and Kurdish. Their common ground comes from Mesopotamian heritage. The second variant is the link between Iraq and the Arab peninsula as a whole. Iraq was admitted to the League of Nations and was one of the founding countries for the Arab League, which marked its official status as an independent state on October 3, 1932.