The first two-way crossing of the Atlantic is completed by a British airship, the R-34.

4 Aug.

Romanian troops oust Hungarian leader Bela Kun, ending his 133-day Communist rule.

25 Aug.

The first international daily air service begins between Paris and London.

3 Sept.

Following the death of Louis Botha, Jan Smuts becomes prime minister of South Africa.

10 Sept.

Austria and the Allies sign the Treaty of Saint-Germain, which sets Austria's borders, prohibits its union with Germany, and forces Austria to recognize the independence of Yugoslavia, Czechoslovakia, Hungary, and Poland. Under the terms of the treaty Austria is also required to cede the regions of Trentino, Gorizia, and Istria to Italy.

23 Sept.

Italian poet, aviator, and war hero Gabriele D'Annunzio leads a band of Italian nationalists into territory disputed by Italy and Yugoslavia, seizing the port city of Fiume.

28 Nov.

Nancy, Lady Astor, is elected to the British House of Commons, becoming...