the Arctic 1939: Outbreak of World War II
![Political map of the Arctic & the Far North on 10 Sep 1939 (World War II in the Arctic: Outbreak of World War II), showing the following events: Chancellor Adolf Hitler; International Ruling on Greenland; Newfoundland Act; Marco Polo Bridge Incident; Molotov–Ribbentrop Pact; Germany invasion of Poland; Declaration of War on Germany; Declaration of war by Canada.](https://omniatlas-media.s3.amazonaws.com/dist/img/maps/arctic/arctic19390910.png)
10 September 1939
10 Sep 1939
World War II in the Arctic
1620–1818 Fur-Trading Empires
1818–1875 Partitioning the North Pacific
1875–1939 Claiming the Far North
1939–1945 World War II in the Arctic
1945–pres The Arctic Transformed
Outbreak of World War II
10 Sep 1939 Outbreak of World War II
10 Apr 1940 Invasion of Denmark and Norway
10 May 1940 Invasion of Iceland
9 Apr 1941 Greenland Protectorate
3 Sep 1941 Operation Silver Fox
7 Dec 1941 Attack on Pearl Harbor
7 Jun 1942 Aleutian Islands Campaign
31 Dec 1942 Arctic Convoys
22 Oct 1943 North Atlantic Weather War
25 Jun 1944 Removing the German Surface Threat
4 Oct 1944 Lapland War
7 May 1945 German Surrender
15 Aug 1945 End of World War II
While Norway and Denmark were disputing ownership of Eastern Greenland, Japan invaded Manchuria and Hitler became Chancellor of Germany. By the end of the decade, the expansionist policies of these two nations were threatening the existing order. When Germany invaded Poland in 1939, Britain and France declared war, with Canada following suit a week later.