January 5: edit
- 1875 - Henry Crampton was born.
- 1879 - Bartolomeo Gastaldi died in Turin, Italy.
- 1895 - Auguste Jaccard was born in Le Locle, Switzerland.
- 2005 - Charles Repenning was murdered by meth addicts Richard Kasparson and Michael Wessel during a burglary in Lakewood, Colorado, USA. Repenning was 82 years old.