The Paris Peace Treaties officially ended WWI. The Treaty of Versailles was disliked on all sides, particularly in Germany. The League of Nations was set up to improve international cooperation and avert further wars. Its impact was limited.
| Name | Date | Description | Outcome |
|---|---|---|---|
| 1. Prisoners of war | 1920 | The League took home half a million prisoners of war from World War One. | Success |
| 2. Aaland Islands | 1921 | Sweden and Finland accepted the League's arbitration to give the Aaland Islands to Finland. | Success |
| 3. Poland | 1921 | The Poles invaded Vilna (the capital of Lithuania). The League ordered Poland to withdraw. Poland refused and the League could do nothing | Failure |
| 4. Turkey | 1922 | The League set up camps and fed Turkish refugees. | Success |
| 5. Corfu | 1923 | Mussolini ignored the League's orders to pull out of Corfu, and made Greece pay money to Italy. | Failure |
| 6. Disarmament | 1923 and 1932 | Disarmament talks failed, because Germany demanded as many weapons as everyone else. | Failure |
| 7. Austria | 1923 | The League sent economics experts to help Austria when its government went bankrupt. | Success |
| 8. Bulgaria | 1925 | Greece obeyed the League's orders to pull out of Bulgaria in 1925. | Success |
| 9. Slaves | 1926 | The League approved the Slavery convention - altogether, the League freed 200,000 slaves. | Success |
| 10. Drugs | 1936 | After more than ten years of work, 26 League nations signed an international convention to combat the drugs trade - a law that is still in force. | Success |
| 11. Disease | 1920s | The League worked to prevent malaria and leprosy. | Success |
| 12. Jobs | 1920s | The International Labour Organisation failed to persuade countries to adopt a 48-hour week. | Failure |