1484 - Portuguese sea captain Diogo Cão finds the mouth of the Congo River.
1573 - Córdoba, Argentina, is founded by Jerónimo Luis de Cabrera.
1863 - Northern Territory passes from New South Wales to South Australia.
1964 - Malawi (formerly Nyasaland) declares independence from UK.
1966 - Malawi becomes a republic, Dr Hastings Kamuzu Banda becomes president.
