Nicolás Avellaneda, Argentinian journalist and politician, 8th President of Argentina (born 1837)

Nicolás Remigio Aurelio Avellaneda Silva was an Argentine politician and journalist, and President of Argentina from 1874 to 1880. Avellaneda's main projects while in office were banking and education reform, leading to Argentina's economic growth. The most important events of his government were the Conquest of the Desert and the transformation of the Buenos Aires into a federal district.

The president of Argentina, officially known as the president of the Argentine Nation, is both head of state and head of government of Argentina. Under the national constitution, the president is also the chief executive of the federal government and commander-in-chief of the armed forces.