International Migration, 1914-1945
| 4. | The World Wars: 1914 - 1945 |
| 4.1. World War I | |
| 4.1.1. During the War | |
| 4.1.2. Migrations as a result of the Great War | |
| 4.2. The Second World War and its aftermath | |
| 4.2.1. Before 1939: installation of totalitarian regimes | |
| 4.2.2. The Second World War |