The United Kingdom of Great Britain and Ireland is renamed the United Kingdom of Great Britain and Northern Ireland, acknowledging the full independence of the Irish Free State, led at the time by W.T. Cosgrave, the the first President of the Executive Council of the Irish Free State.
Art and science
The BBC gains its Royal Charter making it a public corporation and a public service broadcaster accountable to its audience. John Reith became the first Director General with the directive to 'inform, educate and entertain.'
Stalin expels Leon Trotsky from the Soviet Communist Party, giving himself greater control of the party and country by ousting opposition elements.