| Date | Event |
|---|---|
| December 26 1918 | Bertram Luard-Selby Died |
| December 01 1918 | Transylvania Unites With Kingdom Of Romania |
| December 01 1918 | Iceland Sovereign, But Part Of Danish Kingdom |
| December 01 1918 | The Future Kingdom Of Yugoslavia Is Proclaimed |
| December 04 1918 | President Wilson First To Travel In Office |
| December 12 1918 | Pikk Hermann: Flag Of Estonia Raised |
| December 14 1918 | Von Hessen Renounces Finnish Throne |
| December 14 1918 | Portuguese President Assassinated |
| December 16 1918 | Lithuanian Soviet Socialist Republic Founded |
| December 17 1918 | March On Government House In Darwin, Australia |
| December 27 1918 | Polish Uprising Starts Against Germans |
| December 28 1918 | Constance Markievicz Was The First Women Elected MP |