Portal:Argentina/Anniversaries/January/January 25
- 1822: Sign of the Quadrilateral treaty between Buenos Aires, Entre Ríos, Santa Fe and Corrientes
- 1830: The legislature of Buenos Aires declares Juan Manuel de Rosas "restorer of laws and institutions of the province"
- 1925: Death of Juan Vucetich, pioneer in the science of fingerprint identification
- 1997: Murder of press photographer José Luis Cabezas