Events
Events 1939–1945
A chronology of events across the European theatres of war. The database grows over time — a missing entry does not mean nothing happened.
1939
- 23 August 1939Molotov–Ribbentrop PactDiplomacy · Diplomacy · MoscowShow on map →
- 3 September 1939Britain and France declare war on GermanyDiplomacy · Diplomacy · London and ParisShow on map →
1940
- 30 August 1940Second Vienna AwardDiplomacy · Diplomacy · Belvedere Palace, ViennaShow on map →
- 27 September 1940Tripartite PactDiplomacy · Diplomacy · BerlinShow on map →
1941
- 11 December 1941Germany and Italy declare war on the United StatesDiplomacy · Diplomacy · BerlinShow on map →
1943
- 13 October 1943Italy declares war on GermanyDiplomacy · Diplomacy · BrindisiShow on map →
- 28 Nov 1943 – 1 Dec 1943Tehran ConferenceDiplomacy · Diplomacy · Tehran, IranShow on map →
1945
- 4 Feb 1945 – 11 Feb 1945Yalta ConferenceDiplomacy · Diplomacy · Livadia Palace, Yalta (Crimea)Show on map →
- 7 May 1945 – 8 May 1945German Instrument of Surrender — end of the war in EuropePolitics · Diplomacy · Reims and Berlin-KarlshorstShow on map →
- 17 Jul 1945 – 2 Aug 1945Potsdam ConferenceDiplomacy · Diplomacy · Cecilienhof Palace, PotsdamShow on map →