Differences Between World War I and World War II

1. Casualties

1.1. I: 10 million military, 7 million civilians

1.2. II: 38-55 million civilians, about 60 million total

2. Outcomes

2.1. I: German, Russian, Ottoman, and Austro-Hungarian empires were defeated, League of Nations formed

2.2. II: Victory of Allies over Germany/Japan, Soviet Union and USA emerged as rival powers, United Nations formed

3. Time Period

3.1. I: 1914-1918

3.2. II: 1939-1945

4. Causes

4.1. I: Assassination of Archduke Franz Ferdinand, militarism, imperialism

4.2. II: Treaty of Versailles, political/economic instability in Germany, opposition to Soviet Union

5. Parties Involved

5.1. I: Central Powers vs. Allied Powers

5.2. II: Axis Powers vs. Allied Powers