United Kingdom

London

Flags 1939–1945

…1939
United Kingdom
simplified version (without arms)

Course of events

23 August 1939
Neutral / non-belligerent
Not yet at war; guarantee to Poland (March 1939).
3 September 1939
Allies
Declared war on Germany on 3 Sept 1939.

Events involving this country

3 Sept 1939Britain and France declare war on Germany
3 Sept 1939Battle of the Atlantic
9 Apr 1940German invasion of Denmark and Norway (Operation Weserübung)
9 Apr 1940Battles of Narvik
10 May 1940British occupation of Iceland
10 May 1940Battle of France
26 May 1940Dunkirk evacuation (Operation Dynamo)
3 Jul 1940Attack on Mers-el-Kébir
10 Jul 1940Battle of Britain
7 Sept 1940The Blitz
28 Oct 1940Greco-Italian War
11 Nov 1940Battle of Taranto
14 Nov 1940Coventry Blitz
9 Dec 1940Operation Compass
6 Apr 1941German invasion of Greece
10 Apr 1941Siege of Tobruk
20 May 1941Battle of Crete
24 May 1941Last battle of the battleship Bismarck
18 Nov 1941Operation Crusader
26 May 1942Battle of Gazala
27 May 1942Assassination of Heydrich and the reprisals (Lidice)
19 Aug 1942Dieppe Raid (Operation Jubilee)
23 Oct 1942Second Battle of El Alamein
8 Nov 1942Operation Torch
17 Nov 1942Tunisian campaign
10 Jul 1943Allied invasion of Sicily (Operation Husky)
24 Jul 1943Bombing of Hamburg (Operation Gomorrah)
3 Sept 1943Armistice of Cassibile — Italy leaves the Axis
9 Sept 1943Salerno landings (Operation Avalanche)
13 Oct 1943Italy declares war on Germany
28 Nov 1943Tehran Conference
17 Jan 1944Battle of Monte Cassino
22 Jan 1944Battle of Anzio (Operation Shingle)
6 Jun 1944Normandy landings and Operation Overlord
1 Aug 1944Warsaw Uprising
12 Aug 1944Falaise pocket
15 Aug 1944Operation Dragoon — landings in southern France
17 Sept 1944Operation Market Garden
2 Oct 1944Battle of the Scheldt
16 Dec 1944Battle of the Bulge (Ardennes Offensive)
4 Feb 1945Yalta Conference
13 Feb 1945Bombing of Dresden
23 Mar 1945Operation Plunder — Rhine crossing at Wesel
1 Apr 1945Ruhr pocket
15 Apr 1945Liberation of Bergen-Belsen
7 May 1945German Instrument of Surrender — end of the war in Europe
17 Jul 1945Potsdam Conference

Data completeness: borders c. 1938, status at country level; occupation zones, annexations and front lines as approximate snapshots. Units and offensives: selected, incomplete sets; archive: only items with a confirmed licence, still being added.