1958 International Geophysical Year

1969 Human Rights Year 1968 1969 World Fair “EXPO ’70” – Osaka, Japan 1970 The 80th Anniversary of Seizure of Easter Island 1970 The 150th Anniversary of Capture of Valdivia by Lord Cochrane 1970 The 100th Anniversary of the Birth of Paul Harris, Founder of Rotary International, 1868-1947 1970 Airmail – The 100th Anniversary of the Birth of Paul Harris, Founder of Rotary International, 1868-1947 1970 The 100th Anniversary of the Birth of Mahatma Gandhi, 1869-1948 1970 Spanish Colonization of Chile 1970 International Education Year 1970 O’Higgins National Shrine, Maipu 1970 The 10th International Cancer Congress, Houston, U.S.A. 1970 Copper Mines Nationalization 1970 The 25th Anniversary of United Nations 1971 State Maritime Corporation 1971 Issues of 1969 Surcharged 1971 The 150th Anniversary of Peruvian Liberation Expedition 1971 Airmail – The 150th Anniversary of Peruvian Liberation Expedition 1971 The 60th Anniversary of Chilean Scouting Association 1971 The 1st Latin-American Meeting of UNICEF Executive Council, Santiago 1969 1971 Longovilo Satellite Communications Ground Station 1971 The 10th World Underwater Fishing Championships, Iquique 1971 The 450th Anniversary of Discovery of Magellan Straits 1971 The 1st Trans-Andes Flight Commemoration 1918 1971 The 10th Postal Union of the Americas and Spain Congress, Santiago 1971 Inauguration of Astronomical Observatory, Cerro el Tololo