Portal:Geography/Selected anniversaries/December
- 1 December 2008 – Dunwoody, Georgia incorporated as a city
- 14 December 1911 – First humans to reach geographic South Pole (pictured)
- 25 December 2010 – Kaohsiung merged with Kaohsiung County, Taiwan
- 26 December 1908 – First action taken by the Oregon Geographic Names Board