- 1574 Captain Luis de Fuentes y Vargas founded the Villa de San Bernardo de la Frontera de Tarixa (or Tarija), in what is now southern Bolivia.
- 1818 The Uruguayan forces of Fructuoso Rivera and José Artigas defeat the Brazilians of Bento Manuel Ribeiro in the Battle of Queguay Chico, as part of the Portuguese-Brazilian invasion.
- 1824 The Constitution of the United Provinces of Central America is established.
- 1946 The Philippines gains independence from the United States.
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