1921

Title of high office in the Muslim world

Emir, also transliterated as amir, is a word of Arabic origin that can refer to a male monarch, aristocrat, holder of high-ranking military or political office, or other person possessing actual or ceremonial authority. The title has a history of use in West Asia, East Africa, West Africa, Central Asia, and South Asia. In the modern era, when used as a formal monarchical title, it is roughly synonymous with "prince", applicable both to a son of a hereditary monarch, and to a reigning monarch of a sovereign principality, namely an emirate.

Military government in Iran from April-November 1921

The Autonomous Government of Khorasan was a short-lived military state set up in Iran. It was formally established on the April 2, 1921, and collapsed a few months later, on October 6, 1921. Their capital was Mashhad.

1757–1911 Tuvan region of the Qing dynasty

Tannu Uriankhai was a historical region of the Mongol Empire, its principal successor, the Yuan dynasty, and later the Qing dynasty. The territory of Tannu Uriankhai largely corresponds to the modern-day Tuva Republic of the Russian Federation, neighboring areas in Russia, and a small part of the modern state of Mongolia.

British rigid airship class destroyed in 1921

38 class of rigid airships was designed for Britain's Royal Navy during the final months of the First World War. Airships of this class were intended for long-range patrol duties over the North Sea. 38, the lead ship of the class, was sold to the United States Navy in October 1919 before completion.

Multi-party war in the former Russian Empire (1917–1922)

The Russian Civil War was a multi-party civil war in the former Russian Empire, lasting from 1917 to 1922, sparked by the overthrowing of the Russian Provisional Government in the October Revolution, as many factions vied to determine Russia's political future. It resulted in the formation of the Russian Socialist Federative Soviet Republic and later the Soviet Union in most of its territory. Its finale marked the end of the Russian Revolution, which was one of the key events of the 20th century.

Chief executive of Major League Baseball

The commissioner of baseball is the chief executive officer of Major League Baseball (MLB) and the associated Minor League Baseball (MiLB) – a constellation of leagues and clubs known as "affliated baseball". Under the direction of the commissioner, the Office of the Commissioner of Baseball hires and maintains the sport's umpiring crews, and negotiates marketing, labor, and television contracts. The commissioner is chosen by a vote of the owners of the teams.