Founding of Colonia del Sacramento, 1680

Timeline

1. 1679Rio de Janeiro · Rio de JaneiroIn 1679, Portuguese Brazil's governor Rodrigo da Fonseca Teles sent Manuel Lobo de Oliveira leading an expedition to plan establishing an outpost across the Río de la Plata estuary to control smuggling trade and check Spanish Buenos Aires.
2. 1680Colonia del Sacramento · Colonia DepartmentOn January 20, 1680, the Portuguese founded Colonia del Sacramento on the north bank of the Río de la Plata and built fortifications, named in honor of King Peter II of Portugal, becoming one of the earliest permanent European settlements in present-day Uruguay.
3. 1680Colonia del Sacramento · Colonia DepartmentIn August 1680, Spain dispatched forces from Buenos Aires to besiege the newly founded Colonia del Sacramento; the Portuguese briefly abandoned it but recaptured it later that year, opening over a century of repeated Portuguese-Spanish contest over the outpost.