| Date | Event |
|---|---|
| December 01 1913 | Buenos Aires Metro Begins Operation |
| December 01 1913 | Ford Introduces First Moving Assembly Line |
| December 01 1913 | Post-Balkan War: Crete Annexed By Greece |
| December 14 1913 | Japan Launches Last Kongo-class Ship |
| December 15 1913 | Nicaragua Becomes A Signatory |
| December 21 1913 | Wynne Published First Crossword In New York World |
| December 23 1913 | President Woodrow Wilson Signs Federal Reserve Act |
| December 24 1913 | Calumet, Michigan 1913 Massacre 73 Deaths |