11 de septiembre
Buenos Aires (Belgrano) · (Federal District) · Argentina
Data: September 11
Photograph: Nicodos (2009-06-05)
1888. Teacher's Day.
Date of death of Domingo Faustino Sarmiento, who was president of Argentina and educator , that day marks the day of the teacher.Web: Wikipedia
1852. Secession of Buenos Aires.
The central figure in the overthrow of Rosas, Entre Ríos Governor Justo José de Urquiza, failed to secure Buenos Aires' ratification of the 1852 San Nicolás Agreement, and the State of Buenos Aires was declared.Web: Wikipedia
Web: Relaciones exteriores de la República Argentina (spanish)