Chile

1972 Copper Mines Nationalization Law 1971

1972 The 150th Anniversary of O’Higgins Military Academy

1972 The 3rd United Nations Conference on Trade and Development, Santiago

1972 World Heart Month

1972 The 10th Anniversary of Antarctic Treaty

1972 The 400th Anniversary of “La Araucana”, Epic Poem by de Ercilla y Zuniga, 1969

1971 The 1st Air Service Santiago-Easter Island-Tahiti

1971 Inauguration of Astronomical Observatory, Cerro el Tololo

1971 The 10th Postal Union of the Americas and Spain Congress, Santiago

1971 The 1st Trans-Andes Flight Commemoration 1918