In 1872 Cufulcurá and his 6,000 followers went across the pampas to attack the cities of General Alvear, Veinticinco de Mayo and Nueve de Julio, resulting in the deaths of 300 settlers and the loss of 200,000 head of cattle, which the Mapuche drove back to Chile.
In 1872 the indigenous leader Calfucurá and his 6,000 followers attacked the cities of General Alvear, Veinticinco de Mayo and Nueve de Julio.