| 138159 | December 6 | Death | 2012 – Jeffrey Koo Sr., Taiwanese banker and businessman (b. 1933) |
| 138160 | December 6 | Death | 2012 – Huw Lloyd-Langton, English guitarist (Hawkwind and Widowmaker) (b. 1951) |
| 138161 | December 6 | Death | 2012 – Pedro Vaz, Uruguayan lawyer and politician, Minister of Foreign Affairs of Uruguay (b. 1963) |
| 138162 | December 6 | Death | 2013 – Jean-Pierre Desthuilliers, French author, poet, and critic (b. 1939) |
| 138163 | December 6 | Death | 2013 – Tom Krause, Finnish actor and singer (b. 1934) |
| 138164 | December 6 | Death | 2013 – Stan Tracey, English pianist and composer (b. 1926) |
| 138165 | December 6 | Death | 2013 – M. K. Turk, American basketball player and coach (b. 1942) |
| 138166 | December 6 | Death | 2013 – Louis Waldon, American actor (b. 1934) |
| 138167 | December 6 | Death | 2013 – Kate Williamson, American actress (b. 1931) |
| 138168 | December 6 | Death | 2014 – Ralph H. Baer, German-American video game designer, created the Magnavox Odyssey (b. 1922) |
| 138169 | December 6 | Death | 2014 – Jimmy Del Ray, American wrestler and manager (b. 1962) |
| 138170 | December 6 | Death | 2014 – Adnan Gulshair el Shukrijumah, Saudi Arabian militant (b. 1975) |
| 138171 | December 6 | Death | 2014 – Fred Hawkins, American golfer (b. 1923) |
| 138172 | December 6 | Death | 2014 – Luke Somers, English-American photographer and journalist (b. 1981) |
| 138173 | December 6 | Death | 2014 – Stella Young, Australian comedian and journalist (b. 1982) |
| 138174 | December 6 | Holiday and observance | Anniversary of the Founding of Quito (Ecuador) |
| 138175 | December 6 | Holiday and observance | Christian feast day:Abraham of KratiaAemilianus (Roman Catholic Church)Blessed János SchefflerMaría del Monte Carmelo Sallés y BaranguerasNicholas of Myra, and its related observances:St Nicholas Day, where St. Nicholas/Santa Claus leaves little presents |
| 138176 | December 6 | Holiday and observance | Constitution Day (Spain) |
| 138177 | December 6 | Holiday and observance | Day of the Ministry of Communications and Information Technologies of Azerbaijan |
| 138178 | December 6 | Holiday and observance | Independence Day, celebrates the independence of Finland from Russia in 1917. |
| 138179 | December 6 | Holiday and observance | National Day of Remembrance and Action on Violence Against Women (Canada) |
| 138180 | December 7 | Event | 43 BC – Marcus Tullius Cicero is assassinated. |
| 138151 | December 6 | Death | 2006 – Betty Moschona, Greek actress and singer (b. 1927) |
| 138152 | December 6 | Death | 2007 – Katy French, Swiss-Irish model (b. 1983) |
| 138153 | December 6 | Death | 2010 – Mark Dailey, American-Canadian journalist and actor (b. 1953) |
| 138154 | December 6 | Death | 2011 – Dobie Gray, American singer-songwriter and producer (b. 1940) |
| 138155 | December 6 | Death | 2012 – Miguel Abia Biteo Boricó, Equatoguinean engineer and politician, Prime Minister of Equatorial Guinea (b. 1961) |
| 138156 | December 6 | Death | 2012 – Jan Carew, Guyanese author, poet, and playwright (b. 1920) |
| 138157 | December 6 | Death | 2012 – Ed Cassidy, American drummer (Spirit and Rising Sons) (b. 1923) |
| 138158 | December 6 | Death | 2012 – Keitani Graham, Micronesian wrestler (b. 1980) |