- 1838 Estanislao López, governor and caudillo a hero of provincial federalism, and ally of Juan Manuel de Rosas dies in Santa Fe.
- 1900 Enrique Cadícamo, tango lyricist, poet and novelist, is born in Luján.
- 1955 Río Negro, Neuquen, Chubut and Formosa, acquire status of Province by Argentine Federal Law 14,408.
- 1985 The Austral becomes the currency of Argentina replacing the peso.
