| 05 January 1919 | German Workers' Party founded in Munich. |
| 23 March 1919 | Fascist Movement founded in Milan. |
| 28 April 1919 | League of Nations is founded. |
| 22 June 1919 | German national assembly, meeting in Weimar, authorizes the signature of the peace treaty. |
| 28 June 1919 | |
| 12 July 1919 | United Kingdom and France authorize the reestablishment of the commercial relations with Germany. |
| 10 October 1919 | Treaty of Saint-Germain is signed, ending World War I with Austria. |
| 12 October 1919 | Adolf Hitler participates for the first time in the party meetings. |
| 11 November 1919 | In the United Kingdom, two minutes of silence in memory of the World War I victims. |
| 19 November 1919 | US senate didn't ratified the Versailles Treaty, making the USA a non-member of the League of Nations. |
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