1. Devastation of WWI
Unprecedented destruction due to new weapons, trench warfare, and massive casualties.
2. Causes of WWI (MANIA)
Militarism: Arms race, large standing armies, war plans.
Alliances: Triple Alliance (Germany, Austria-Hungary, Italy) vs. Triple Entente (Britain, France, Russia).
Nationalism: German unification, Austro-Hungarian ethnic tensions, Balkan independence movements.
Imperialism: Competition for colonies, economic rivalries, territorial disputes.
Assassination: Archduke Franz Ferdinand’s assassination sparked war.
3. Internal Dissent and WWI
Social unrest, labor strikes, nationalist movements destabilized Europe.
4. Balkan Crisis Before WWI
Serbia sought expansion, Austria-Hungary opposed, Russia backed Serbia, Ottoman Empire weakened.
5. “Blank Check” & Ultimatum
Germany gave Austria-Hungary unconditional support, Austria sent harsh demands to Serbia, Serbia refused key points.
6. Mobilization & Germany’s Response
Russia mobilized against Austria-Hungary, Germany declared war on Russia and France.
7. Schlieffen Plan
Germany’s strategy to avoid a two-front war by attacking France first via Belgium.
8. Early War Enthusiasm
People expected a quick, glorious war; underestimated modern warfare’s brutality.
9. Schlieffen Plan Failure
Belgium resistance, British involvement, Russian mobilization disrupted Germany’s timeline.
10. Battle of the Marne (1914)
Stopped German advance into France, led to trench warfare.
11. Eastern vs. Western Front
Eastern Front: More mobile, larger territory. Western Front: Stalemate, trench warfare.
12. Hindenburg & Ludendorff
German military leaders, won key victories on the Eastern Front.
13. Italy at War’s Start
Initially neutral, joined Allies in 1915 for territorial promises.
14. Russia’s Early War
Poorly equipped, suffered major defeats against Germany.
15. Western Front (1916-17)
Horrific trench conditions, high casualties, little territorial gain.
16. Battle of Verdun (1916)
Longest battle, heavy losses, symbol of French resilience.
17. Battle of the Somme (1916)
Massive British-led offensive, high casualties, minimal gains.
18. Life in the Trenches
Disease, mud, constant shelling, low morale.
19. Ottoman Empire & Gallipoli
Joined Central Powers, Gallipoli Campaign aimed to knock them out but failed.
20. Lawrence of Arabia & Middle East
Led Arab revolts against Ottoman rule, Allies promised independence.
21. Africa in WWI
Colonial troops fought for European powers, battles in Africa.
22. Japan’s Role
Joined Allies, took German Pacific territories.
23. US & Britain’s Naval Blockade
US stayed neutral at first, Britain’s blockade hurt Germany’s economy.
24. Lusitania & U-Boats
German subs sank Lusitania (1915), angered US, led to war in 1917.
25. WWI Warfare Innovations
Machine guns, poison gas, tanks, planes changed combat.
26. Total War Impacts
Government: Increased control, propaganda.
Economy: Rationing, war production.
Public Order: Censorship, political unrest.
Social Changes: Women in workforce, class tensions.
27. Homefront Morale Shift
From patriotic enthusiasm to exhaustion, disillusionment.
28. Economic Effects of WWI
Europe in debt, uneven destruction, US economy strengthened.
29. Causes of Russian Revolution
War failures, economic crisis, poor leadership, peasant unrest.
30. March Revolution (1917)
Soviets formed, Tsar abdicated, Provisional Government established.
31. Bolsheviks vs. Mensheviks
Bolsheviks: Radical, led by Lenin, immediate revolution.
Mensheviks: Moderate, gradual socialism.
32. Vladimir Lenin
Led Bolsheviks, adapted Marxism for a vanguard-led revolution.
33. April Theses & Duma
Lenin called for Soviet power; Duma was Russia’s weak parliament.
34. October Revolution (1917)
Bolsheviks overthrew Provisional Government, seized Winter Palace.
35. Early Bolshevik Reforms
Land redistribution, worker control, peace negotiations.
36. Treaty of Brest-Litovsk (1918)
Russia exited WWI, lost territory to Germany.
37. Russian Civil War (1918-21)
Reds (Bolsheviks) vs. Whites (anti-Bolsheviks), Lenin’s side won.
38. Fate of the Romanovs
Executed by Bolsheviks in 1918.
39. Why the Whites Lost
Disorganized, lacked unity, foreign support ineffective.
40. War Communism
State control of economy, led to famine, unrest.
41. Cheka & Red Terror
Secret police, executed enemies of the revolution.
42. Second Battle of the Marne (1918)
Germany’s last offensive, Allies counterattacked, war turned.
43. Wilhelm II & November 11th
Kaiser abdicated, armistice signed on 11/11/1918.
44. WWI Casualties
Millions dead, wounded, entire generation affected.
45. German Revolutions (1918-19)
Workers’ uprisings, establishment of Weimar Republic.
46. German vs. Russian Revolutions
Russia had full revolution, Germany transitioned to democracy.
47. Austria-Hungary’s Fate
Empire dissolved, split into several nations.
48. Big 4 Peace Differences
US wanted peace, France/Britain wanted punishment, Italy wanted land.
49. Self-Determination & Wilson’s 14 Points
Ethnic groups should govern themselves, influenced peace talks.
50. Treaty of Versailles (1919)
War guilt: Germany blamed.
Reparations: Huge German payments.
Territorial losses: Germany lost land.
League of Nations: US didn’t join.
Irony: Treaty fueled future conflict.