| Country |
Chief of State |
Head of Government |
| Afghanistan |
President Lt. Gen. Mohammed Daud
Khan |
| Albania |
President of the Presidium Enver
Hoxha |
Premier Maj. Gen. Mehmet Shehuu |
| Algeria |
President Houari Boumédienne |
| Andorra |
|
| Argentina |
President Juan D. Perón
(from July 2) Isabel Perón |
| Australia |
Queen Elizabeth II of the United
Kingdom |
Prime Minister Gough Whitlam |
| Austria |
President Franz Jonas
(from March 27) Bruno Kreisky
(from July 8) Rudolf Kirchschläger |
Chancellor Bruno Kreisky |
| Bangladesh |
President Mohammed Ullah |
Prime Minister Sheikh Mujibur Rahman |
| Barbados |
Queen Elizabeth II of the United
Kingdom |
Prime Minister Errol Barrow |
| Belgium |
King Baudouin I |
Prime Minister Edmond Leburton
(from April 25) Leo Tindemans |
| Bhutan |
King Jigme Singye Wangchuk |
| Bolivia |
President Gen. Hugo Banzer
Suárez |
| Botswana |
President Sir Seretse Khama |
| Brazil |
President Emílio Médici
(from March 15) Ernesto Geisel |
| Bulgaria |
Chairman of the State Council
Todor Zhivkov |
Chairman of the Council of Ministers Stanko
Todorov |
| Burma |
Chairman of the Union
Revolutionary Council Gen. U Ne Win
(from March 2) President U Ne Win |
(from March 2) Prime Minister U Sein Win |
| Burundi |
President Michel Micombero |
| Cambodia |
President Gen. Lon Nol |
Premier Long Boret |
| Cameroon |
President Ahmadou Ahidjo |
| Canada |
Queen Elizabeth II of the United
Kingdom |
Prime Minister Pierre Elliott Trudeau |
| Central African Republic |
President Jean Bedel Bokassa |
| Chad |
President Ngarta Tombalbaye |
| Chile |
President Gen. Augusto Pinochet Ugarte |
| China, People's Republic of |
Chairman of the Chinese Communist
Party Mao Tse-tung |
Premier Chou En-lai |
| China, Republic of |
President Chiang Kai-shek |
Premier Chiang Ching-kuo |
| Colombia |
President Misael Pastrana Borrero
(from August 7) Alfonso López Michelsen |
| Congo |
President Marien Ngouabi |
Prime Minister Henri Lopès |
| Costa Rica |
President José Figueros
(from May 8) Daniel Oduber Quirós |
| Cuba |
President Osvaldo Dorticos
Torrade |
Premier Fidel Castro Ruz |
| Cyprus |
President Archbishop Makarios
(from July 15) Nikos Giorgiades Sampson
(from July 23) Glafkos Clerides
(from December 7) Archbishop Makarios |
| Czechoslovakia |
President Lubomir Strougal |
| Dahomey |
President Mathieu Kerekou |
| Denmark |
Queen Margrethe II |
Prime Minister Poul Hartling |
| Dominican Republic |
President Joaquín Balaguer |
| Ecuador |
President Gen. Guillermo
Rodriguez Lara |
| Egypt |
President Anwar el-Sadat |
(from September 25) Prime Minister Abdul Aziz
Hegazi |
| El Salvador |
President Col. Arturo Armando
Molina |
| Equatorial Guinea |
President Francisco Macias Nguema |
| Ethiopia |
Emperor Haile Selassie
(from September 12) military |
Prime Minister
(from February 28) Endalkachew Makonnen
(from July 22) Michael Imru |
| Fiji |
Queen Elizabeth II of the United
Kingdom |
Prime Minister Sir Kamisese Mara |
| Finland |
President Urho Kekkonen |
Prime Minister Kalevi Sorsa |
| France |
President Georges Pompidou
(from April 3) Alain Poher
(from May 27) Valéry Giscard d'Estaing |
Premier Pierre Messmer
(from May 27) Jacques Chirac |
| Gabon |
President Albert B. Bongo |
| Gambia |
President Sir Dauda K. Jawara |
|
| Germany, East |
Chairman of the Council of State
Willi Stoph |
Prime Minister Horst Sindermann |
| Germany, West |
President Gustav Heinemann
(from July 1) Walter Scheel |
Chancellor Willy Brandt
(from May 16) Helmut Schmidt |
| Ghana |
Chairman of the National
Redemption Council Col. I. K. Acheampong |
| Greece |
President Gen. Phaidon Gizikis
(from December 15) Acting President Michael
Stassinopoulos |
Premier Adamantios Androutsopoulos
(from July 24) Constantine Caramanlis |
| Grenada |
Queen Elizabeth II of the United
Kingdom |
Prime Minister Eric Gairy |
| Guatemala |
President
(from ) Brig. Gen. Kjell Laugerud Garcia |
| Guinea |
President Ahmed Sékou Touré |
Premier Lansana Beavogul |
| Guinea-Bissau |
President Luiz de Almeida Cabral |
| Guyana |
President Arthur Chung |
Prime Minister Forbes Burnham |
| Haiti |
President Jean-Claude Duvalier |
| Honduras |
President Carlos Manuel Arana
Osorio
(from July 1) Gen. Oswaldo López Arellano |
| Hungary |
Chairman of the Presidential
Council Pál Losonczi |
Premier Jenö Fock |
| Iceland |
President Kristján Eldjárn |
Prime Minister Ólafur Jóhannesson
(from August 28) Geir Hallgrímsson |
| India |
President Varahagiri Venkata Giri
(from August 24) Fakhruddin Ali Ahmed |
Prime Minister Indira Gandhi |
| Indonesia |
President Suharto |
| Iran |
Shah Mohammad Reza Pahlavi |
Premier Amir Abbas Hoveida |
| Iraq |
President Ahmed Hassan al-Bakr |
| Ireland |
President Erskine Childers
(from December 19) Cearbhall Ó Dálaigh |
Taoiseach Liam Cosgrave |
| Israel |
President Ephraim Katzir |
Prime Minister Golda Meir
(from June 3) Yitzhak Rabin |
| Italy |
President Giovanni Leone |
Premier Mariano Rumor
(from November 23) Aldo Moro |
| Ivory Coast |
President Félix
Houphouét-Boigny |
| Jamaica |
Queen Elizabeth II of the United
Kingdom |
Prime Minister Michael Manley |
| Japan |
Emperor Hirohito |
Prime Minister Kakuei Tanaka
(from December 9) Takeo Miki |
| Jordan |
King Hussein |
Premier Zaid al-Rifai |
| Kenya |
President Jomo Kenyatta |
| Korea, North |
President Kim Il Sung |
| Korea, South |
President Chung Hee Park |
Premier Kim Jong Pil |
| Kuwait |
Emir Sabah al-Salim al-Sabah |
Prime Minister Jaber al-Ahmad al-Sabah |
| Laos |
King Savang Vatthana |
Premier Prince Souvanna Phouma |
| Lebanon |
President Suleiman Franjieh |
Premier Takkieddin Solh
(from October 30) Rashid Solh |
| Lesotho |
King Moshoeshoe II |
Prime Minister Leabua Jonathan |
| Liberia |
President William R. Tolbert |
| Libya |
President of the Revolutionary
Command Council Muammar el-Qaddafi |
Prime Minister Abdul Salam Jallud |
| Liechtenstein |
Prince Franz Josef II |
Prime Minister Walter Kieber |
| Luxembourg |
Grand Duke Jean |
Premier Pierre Werner
(from June 18) Gaston Thorn |
| Malagasy Republic |
President Gabriel Ramanantsoa |
| Malawi |
President H. Kamuzu Banda |
| Malaysia |
Sultan Tunku Abdul Halim Mu'adzam |
Prime Minister Tun Abdul Razak |
| Maldives |
President Ibrahim Nasir |
| Mali |
President Moussa Traoré |
| Malta |
Queen Elizabeth II of the United
Kingdom |
|
| Mauritania |
President Mokhtar O. Daddah |
| Mauritius |
Queen Elizabeth II of the United
Kingdom |
Prime Minister Sir Seewoosagur Ramgoolam |
| Mexico |
President Luis Echeverría
Álvarez |
| Monaco |
Prince Rainier III |
| Mongolia |
Chairman of the Presidium of the
People's Great Khural Sonomyn Luvsan
(from June 11) Yumjaagiin Tsedenbal |
Premier Yumzhagiyn Tsedenbal
(from June 11) Jambyn Batmounkh |
| Morocco |
King Hassan II |
Premier Ahmed Osman |
| Nauru |
President Hammer DeRoburt |
| Nepal |
King Birenda Bir Bikram Shah |
Prime Minister Nagendra Prasad Rijal |
| Netherlands |
Queen Juliana |
Prime Minister Joop den Uyl |
| New Zealand |
Queen Elizabeth II of the United
Kingdom |
Prime Minister Norman E. Kirk
(from September 6) Wallace Edward Rawling |
| Nicaragua |
junta
(from ) President Gen. Anastasio Somoza |
| Niger |
President Hamani Dori
(from April 15) Lt. Col. Seyni Kountche |
| Nigeria |
President of the Federal Military
Government Maj. Gen. Yakubu Gowon |
| Norway |
King Olav V |
Prime Minister Trygve Bratteli |
| Oman |
Sultan Qaboos bin Said |
| Pakistan |
President Chaudhri Fazal Elahi |
Prime Minister Zulfikar Ali Bhutto |
| Panama |
President Demetrio Lakas Bahas |
| Paraguay |
President Gen. Alfredo Stroessner |
| Peru |
President Gen. Juan Velasco
Alvarado |
| Philippines |
President Ferdinand E. Marcos |
| Poland |
President of the Council of State
Henryk Jablonski |
Premier Piotr Jaroszewicz |
| Portugal |
President Américo Tomás
(from April 25) junta
(from May 15) Provisional President President
António de Spinola
(from September 30) Gen. Francisco da Costa Gomes |
Premier Marcello Caetano
(from April 25) junta
(from May 16) Adelino de Palma Carlos
(from July 17) Colonel Vasco dos Santos
Gonçalves |
| Rhodesia |
President Clifford W. Dupont |
Prime Minister Ian Smith |
| Romania |
President Nicolae Ceausecu |
Premier Ion Gheorghe Maurer
(from March 26) Manea Manescu |
| Rwanda |
President Juvenal Habyalimana |
| San Marino |
Princes Regent Antonio Lazarro
Volpineri and Giovan Luigi Franciosi
(from April 1) Ferruccio Piva and Giordano Bruno
Reffi
(from October 1) Francesco Valli and Enrico
Andreoli |
| Saudi Arabia |
King Faisal ibn Abdul-Aziz |
| Senegal |
President Léopold S. Senghor |
Premier Abdou Diouf |
| Sierra Leone |
President Siaka Stevens |
Prime Minister Sorie Ibrahim Koroma |
| Singapore |
President Benjamin H. Sheares |
Prime Minister Lee Kuan Yew |
| Somalia |
President of the Supreme
Revolutionary Council Mohammed Siad Barre |
| South Africa |
President Jacobus Johannes
Fouché |
Prime Minister Balthazar John Vorster |
| Soviet Union (U.S.S.R.) |
President Nikolai V. Podgorny |
Premier Aleksei Kosygin |
| Spain |
General Francisco Franco |
Premier Carlos Arias Navarro |
| Sri Lanka |
President William Gopallawa |
Prime Minister Sirimavo Bandaranaike |
| Sudan |
President Gen. Jaafar Mohammed
al-Numeiry |
| Swaziland |
King Sobhuza II |
Prime Minister Makhosini Diamini |
| Sweden |
King Carl XVI Gustaf |
Prime Minister Olof Palme |
| Switzerland |
President Ernst Brugger |
| Syria |
President Hafez al-Assad |
Premier Mahmoud al-Ayubi |
| Tanzania |
President Julius K. Nyerere |
| Thailand |
King Bhumibol Aduladej |
Premier Sanya Dharmasakti |
| Togo |
President Étienne Eyadema |
| Tonga |
King Taufa'ahau Tupou IV |
Prime Minister Prince Fatafehi Tu'ipelehake |
| Trinidad and Tobago |
Queen Elizabeth II of the United
Kingdom |
Prime Minister Eric Williams |
| Tunisia |
President Habib Bourguiba |
Premier Hedi Nouira |
| Turkey |
President Fahri Korutürk |
Premier Naim Talu
(from January 25) Bülent Ecevit
(from November 17) Sadi Irmak |
| Uganda |
President Gen. Idi Amin |
| United Arab Emirates |
President Zayeb bin Sultan Al Nahyan |
Prime Minister Maktoum bin Rashid Al Maktoum |
| United Kingdom |
Queen Elizabeth II |
Prime Minister Edward Heath
(from March 4) Harold Wilson |
| United States |
President Richard M. Nixon |
| Upper Volta |
President Sangoulé Lamizana |
| Uruguay |
President Juan María Bordaberry |
| Venezuela |
President Rafael Caldera
(from March 12) Carlos Andrés Pérez |
| Vietnam, North |
President Ton Duc Thang |
Premier Pham Van Dong |
| Vietnam, South |
President Nguyen Van Thieu |
Prime Minister Gen. Tran Thien Khiem |
| Western Samoa |
O le Ao o le Malo Nalietoa
Tanumafil II |
Prime Minister Tupua Tamasese Lealofi IV |
| Yemen |
|
|
| Yemen, South |
|
|
| Yugoslavia |
President Josip Broz Tito |
Prime Minister Dzemal Bijedic |
| Zaire |
President Mobutu Sese Seko |
| Zambia |
President Kenneth D. Kaunda |
Prime Minister Mainza Chona |
