The Twentieth Century resources
History, grade 10. Notes, worksheets, videos, interactive tools and revision materials for this chapter.
Notes
Study notes
The chapter's lessons are the notes — read them in order, then use the resources below.
01Causes of the First World WarAlliances, arms races and the assassination that lit the fuse in 1914.Read lesson →02Trench Warfare 1914-1918Life and death on the Western Front, and why the war lasted so long.Read lesson →03Road to the Second World WarTreaty of Versailles, the Depression and Hitler's rise.Read lesson →04Britain in the Second World WarThe Blitz, Dunkirk and the home front, 1939-1945.Read lesson →
Worksheets
Practice worksheet
Attempt every question before revealing the answer — that struggle is where learning happens.
Practice questions live inside each lesson — work through them there, then return for revision.
Videos
Watch and learn
Hand-picked searches to find a clear video explanation of each lesson.
Causes of the First World War — explainedYouTube search · opens in a new tabWatch →Trench Warfare 1914-1918 — explainedYouTube search · opens in a new tabWatch →Road to the Second World War — explainedYouTube search · opens in a new tabWatch →Britain in the Second World War — explainedYouTube search · opens in a new tabWatch →
Revision
Revision checklist
Can you explain each of these out loud, without looking? If not, re-read that lesson.
- Causes of the First World War: Alliances, arms races and the assassination that lit the fuse in 1914.
- Trench Warfare 1914-1918: Life and death on the Western Front, and why the war lasted so long.
- Road to the Second World War: Treaty of Versailles, the Depression and Hitler's rise.
- Britain in the Second World War: The Blitz, Dunkirk and the home front, 1939-1945.
- Read each lesson's summary and re-do its practice questions from memory.