World War II (1939–1945) — Interactive Timeline
The deadliest conflict in history — from Hitler’s invasions to the atomic bomb and the birth of the United Nations.
TL;DR: The deadliest conflict in history — from Hitler’s invasions to the atomic bomb and the birth of the United Nations.
Written & reviewed by the Syllab.in Academic Team (CBSE/NCERT subject experts) · Updated
World War II (1939–1945) (Class 9–12): The deadliest conflict in history — from Hitler’s invasions to the atomic bomb and the birth of the United Nations. This interactive timeline covers 8 key events from 1939 – 1945.
Why it matters: WWII connects to Nazism, the Indian freedom struggle (Quit India, INA) and the post-war world order — high exam value.
World War II (1939–1945) — Timeline of Key Events
| Year | Event |
|---|---|
| 1939 | Germany invades Poland. Hitler’s invasion of Poland on 1 September led Britain and France to declare war, starting the Second World War. |
| 1940 | Fall of France; Battle of Britain. Germany overran much of Western Europe. Britain, led by Winston Churchill, held out during the air Battle of Britain. |
| 1941 | War goes global. Germany invaded the USSR, and Japan attacked Pearl Harbor, bringing the Soviet Union and the United States into the war. |
| 1942 | Turning points. Battles like Stalingrad, El Alamein and Midway turned the tide against the Axis powers (Germany, Italy, Japan). |
| 1944 | D-Day landings. On 6 June, Allied forces landed in Normandy, opening a Western Front to liberate occupied Europe. |
| 1945 | Germany surrenders. After Soviet and Western Allied advances, Nazi Germany surrendered in May 1945; Hitler had died by suicide. |
| 1945 | Atomic bombs & Japan’s surrender. The USA dropped atomic bombs on Hiroshima and Nagasaki in August; Japan surrendered, ending the war. |
| 1945 | The United Nations is founded. To prevent future wars, the United Nations was established — reshaping international relations for the modern era. |
Quick Recap — Dates to Remember
- 1939: Germany invades Poland
- 1940: Fall of France; Battle of Britain
- 1941: War goes global
- 1942: Turning points
- 1944: D-Day landings
- 1945: Germany surrenders
- 1945: Atomic bombs & Japan’s surrender
- 1945: The United Nations is founded
More History Timelines
- The Indian Freedom Struggle (1857–1947)
- The Mughal Empire (1526–1857)
- Major Events in Indian History (Ancient to Modern)
- The Maurya Empire (322–185 BCE)
- The Gupta Empire — India’s Golden Age (320–550 CE)
- The Delhi Sultanate (1206–1526)
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