Portal:Argentina/Anniversaries/January/January 31
- 1811: Death of Manuel Alberti, member of the Primera Junta
- 1813: Establishment of the Assembly of the Year XIII
- 1908: Birth of Atahualpa Yupanqui, singer, songwriter, guitarist, and writer
- 2010: Death of Tomás Eloy Martínez, Argentine journalist and writer