List of monarchs who lost their thrones or abdicated in the 20th century

The following monarchs either lost their thrones through deposition by a coup d'état, by a referendum which abolished their throne, or chose to abdicate during the 20th century or 21st century. A list of surviving former monarchs appears at the end of the article.

See also: Abolished monarchy, List of current monarchs, List of non-sovereign monarchs who lost their thrones in the 20th and 21st centuries

The State of Hyderabad was annexed into India in 1948 through Operation Polo.

(Tanganyika was later united with Zanzibar, and Tanzania was formed.)

(Zanzibar was later united with Tanganyika, and Tanzania was formed.)

See also List of living former sovereign monarchs

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