In response to Germany's invasion of Poland, Canada followed Britain and France and declared war on 10 September 1939. Although Canada's military was once again unprepared for battle, the nation rapidly assembled a volunteer army and embarked for Britain.
German Rearmament and Expansion: March 1939
Britain and France guarantee Polish Sovereignty: 31 March 1939
The Nazi-Soviet Pact of Non-Aggression: 23 August 1939
Canadian Mobilization: Aug 23-30 Sept 1939
The German Invasion of Poland - Canada Declares War: 10 September 1939
Royal Canadian Navy Escorts the First Transatlantic Convoy: 16 Sept 1939
Establishment of the British Commonwealth Air Training Program: 28 Sept 1939
