| |
Date |
Event(s) |
| 1 | 1944 | - 1944: The kidney dialysis machine invented by Willem Kolff.
- 1944: Synthetic cortisone invented by Percy Lavon Julian.
|
| 2 | 1945 | - 1945: World War II ends.
- 1945: Harry Truman president of the USA 1945-1953.
- 1945: The atomic bomb invented.
|
