1900 in Argentina

Incumbents

• President: Julio Argentino Roca

Governors

• Buenos Aires Province: Bernardo de Irigoyen
• Cordoba: Donaciano del Campillo
• Mendoza Province: Jacinto Álvarez

Vice Governors

• Buenos Aires Province: Alfredo Demarchi

Events

• January 25 - Plague is officially declared in Rosario.
• January 29–February 4 - Buenos Aires suffers its worst heat wave for 20 years. In the first two weeks of February, 403 deaths are certified from "heat apoplexy and sunstroke". The Buenos Aires Herald speculates that some of these are actually caused by plague.
• March 30 - By presidential decree, lyrics considered offensive to Spanish immigrants are omitted from future public performances of the Argentine National Anthem.
• May 14–October 28 - Argentina participates for the first time in the Olympic Games.
• June 8 - The Argentine Republic is officially declared free of plague.

Births

April

• April 2 - Roberto Arlt, writer

June

• June 11 - Leopoldo Marechal, writer

July

• July 15 – Enrique Cadícamo, tango lyricist, poet and novelist

August

• August 4 - Arturo Umberto Illia, President of Argentina 1963–66

October

• October 8 - Alfredo Carricaberry, footballer

December

• December 14 - Juan d'Arienzo, tango musician