| Date | Event |
|---|---|
| May 01 1900 | 200 Men In Scofield, Killed In Mine Disaster |
| May 17 1900 | British Troops Relieve Mafeking During Boer War |
| May 18 1900 | Tonga Becomes U.K. Protectorate |
| May 23 1900 | Sergeant Carney Is Medal Of Honor Recipient |
| May 24 1900 | UK Annexes Orange Free State |
| May 26 1900 | Colombian Conservative Party Gains Momentum In Battle Of Palonegro |
| May 28 1900 | Inauguration Paris Gare D'Orsay Station |
| May 29 1900 | N'Djamena Founded As Fort-Lamy By Emile Gentil |