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HomeWJEC GCSE HistoryThe World at War, 1939–1945
WJEC · GCSE · History · Revision Notes

The World at War, 1939–1945

85 words · Last updated July 2026

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What you'll learn

The course and impact of the Second World War.

Key themes

  • War begins with the invasion of Poland (1939).
  • Dunkirk (1940), the Battle of Britain and the Blitz.
  • D-Day (1944); the war ends in Europe (1945) and against Japan after Hiroshima and Nagasaki.
  • The Holocaust.

Exam tips

  • Use key turning points as evidence.
  • Separate the European and Pacific wars.

Common mistakes

  • Confusing Dunkirk with D-Day.
  • Muddling the war's end dates.
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