[1] He learned to read and write in the Franciscan school of Father Ramon de la Quintana, who taught Latin and rhetoric.

Marco Avellaneda won an official scholarship to study at the College of Moral Sciences in Buenos Aires.

Emilio Carilla says that "his career as a public man was a swift rise: solicitor, legislator in 1835, three years later, at age 25, he was president of the House of Representatives of Tucumán.

[citation needed] Alejandro Heredia was murdered in the countryside near San Miguel de Tucumán on 12 November 1838, and Avellaneda was later accused of implication in his death.

They formally withdrew recognition of Rosas as governor and as the authority for managing the external relations of the provinces.

[1] Avellaneda escaped on horse, went to San Javier and continued northward, seeking to reach Jujuy Province.