| Date | Event |
|---|---|
| May 13 1917 | First Apparition Of Fatima, Portugal |
| May 18 1917 | President Of U.S. Can Now Conscript |
| May 19 1917 | Norwegian Football Club BK Founded |
| May 21 1917 | British Commonwealth War Graves Commission Established |
| May 21 1917 | Great Atlanta Fire, 1917, One Death |
| May 26 1917 | 101 Die In Mattoon Illnois |
| May 30 1917 | Alexander I Becomes King Of Greece |