Buenos Aires Province: José María Moreno (until 1 July); vacant thereafter (starting 1 July)
Events
11 April – A presidential election results in the assumption of the presidency by General Julio Argentino Roca, who defeats the Governor of Buenos Aires Province, Carlos Tejedor. Thus the Generation of '80 begins its rule in Argentina. Under Roca's presidency, the so-called "laicist laws" (Leyes Laicas) are passed, which nationalizing functions that had previously been under the control of the Church.
21 September – Federalization of Buenos Aires: President Avellaneda's law, Buenos Aires becomes the capital of the republic, under direct control of the federal government.