| 1 December 1925 |
Europe
|
World War I
|
Locarno treaties guarantee western borders but leave eastern borders exposed
|
| 24 July 1923 |
Europe,
Turkey
|
World War II
|
Lausanne Treaty replaces the rejected Treaty of Sèvres
|
| 10 September 1919 |
Europe
|
World War I
|
Treaty of Saint-Germain dismantles Austria-Hungary
|
| 28 June 1919 |
Africa,
Europe,
International
|
World War II
|
Treaty of Versailles reshapes Europe while leaving colonial rule intact
|
| 28 June 1919 |
Europe
|
World War I
|
Treaty of Versailles imposes peace terms on Germany
|
| 11 April 1919 |
Europe,
Global
|
History of diversity and inclusion
|
International Labour Organization established
|
| 11 November 1918 |
Europe,
Poland
|
World War I
|
Polish independence is restored after partition
|
| 11 November 1918 |
Europe,
Global
|
World War I
|
Armistice ends the fighting on the Western Front
|
| 11 November 1918 |
Europe
|
Soviet Union history
|
Armistice ends First World War in Western Europe
|
| 29 September 1918 |
Bulgaria,
Europe
|
World War I
|
Bulgaria signs an armistice with the Allies
|
| 6 April 1917 |
Europe,
United States
|
World War I
|
United States declares war on Germany
|
| 1 February 1917 |
Europe,
Russia
|
World War I
|
Unrestricted submarine warfare resumes
|
| 5 September 1915 |
Europe
|
World War I
|
Zimmerwald antiwar conference challenges nationalist war politics
|
| 4 August 1914 |
Europe
|
World War I
|
German invasion of Belgium brings Britain into the war
|
| 28 July 1914 |
Europe
|
World War I
|
Austria-Hungary declares war on Serbia
|