Final answer:
The events in the correct order are Canada Declares war (1939), Dunkirk (1940), Operation Barbarossa (June, 1941), Attack on Pearl Harbor (December, 1941), and D-Day (1944).
Step-by-step explanation:
The correct order of events is: III. Canada Declares war (1939), II. Dunkirk (1940), IV. Operation Barbarossa (June, 1941), V. Attack on Pearl Harbor (December, 1941), I. D-Day (1944).