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Revision Notes

The Second World War 1939-45

ICSE · Class 12 · History

Quick revision notes for The Second World War 1939-45 — ICSE Class 12 History. Key concepts, formulas, and definitions for last-minute revision.

45 questions40 flashcards5 concepts

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Key Topics to Revise

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1. The Four Phases of the War

  • September 1939 to December 1940 was Phase 1: Opening moves.
  • 1941 to summer 1942 was Phase 2: The Axis offensive widens.
  • Summer 1942 to summer 1943 was Phase 3: The offensives held in check.
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2. Early Axis Successes, 1939-1940

  • Poland was defeated by German Blitzkrieg and was divided between Germany and the USSR on 29 September 1939.
  • The term 'phoney war' was coined by the American press.
  • Germany invaded Denmark and Norway in April 1940, partly to secure Narvik as the outlet for Swedish iron ore.
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3. The Widening War, 1941 to Summer 1942

  • Operation Barbarossa began on 22 June 1941 and involved close to 5.5 million men, 3550 tanks, 5000 aircraft, and 47,000 artillery pieces.
  • Hitler's invasion of Russia was originally planned for 15 May 1941 and was delayed five weeks, possibly because of involvement in Greece and Yugoslavia.
  • Stalin believed Hitler would honour the Nazi-Soviet pact and distrusted British and American warnings.
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4. Turning Points: Midway, El Alamein, and Stalingrad

  • Midway Island, El Alamein, and Stalingrad were the three turning-point battles where Axis offensives were checked.
  • At Midway in June 1942, the Americans with only three carriers and 233 planes destroyed four Japanese carriers and about 330 planes.
  • Midway was a crucial turning point in the Pacific because Japanese carrier strength was badly weakened.

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Full Notes

Key Concepts

From September 1939 to December 1940This was a period of littleFrom 12 August to 30 SeptemberIn 1941Germany invaded the USSR on 22

Frequently Asked Questions

What are the important topics in The Second World War 1939-45 for ICSE Class 12 History?
Key topics in The Second World War 1939-45 include Major Events and Turning Points of WWII 1939-1945, Timeline of major events throughout the Second World War showing key turning points and battles across all theaters, Flowchart showing the four sequential phases of WWII and their characteristics. These are the concepts ICSE Class 12 examiners draw on most — study them first, then practise related questions.
How to score full marks in The Second World War 1939-45 — ICSE Class 12 History?
Understand the core concepts first, then work through the 45 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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