Chapter 4: 20th Century
4.1378 Treaty of Friendship, Mutual Assistance, and Co-operation
between the Union of Soviet Socialist Republics and the
German Democratic Republic 429
June 12, 1964
4.1379 Mutual Security Agreement among Zaire, Burundi, and
Rwanda 430
August 30, 1966
4.1380 Treaty of Friendship, Co-operation, and Mutual Assistance
between the Polish People’s Republic and the German
Democratic Republic 431
March 15, 1967
4.1381 Treaty of Friendship, Co-operation, and Mutual Assistance
between the Czechoslovak Socialist Republic and the
German Democratic Republic 432
March 17, 1967
4.1382 Treaty of Friendship, Co-operation, and Mutual Assistance
between the Hungarian People’s Republic and the German
Democratic Republic 434
May 18, 1967
4.1383 United Arab Republic–Jordan Defense Agreement 435
May 30, 1967
4.1384 Treaty of Friendship, Co-operation, and Mutual Assistance
between the People’s Republic of Bulgaria and the German
Democratic Republic 436
September 7, 1967
4.1385 Agreement between the Government of Mauritius and the
Government of the United Kingdom of Great Britain and
Northern Ireland on Mutual Defence and Assistance 438
March 12, 1968
4.1386 Charter of the Union of Central African States 438
April 2, 1968
4.1387 Treaty of Friendship, Co-operation, and Mutual Assistance
between the Czechoslovak Socialist Republic and the
People’s Republic of Bulgaria 443
April 26, 1968
4.1388 Treaty of Brotherhood, Good-Neighbourly Relations, and
Co-operation between the Kingdom of Morocco and
the Democratic and Popular Republic of Algeria 444
January 15, 1969
4.1389 Treaty of Brotherhood, Good Neighbourliness, and
Co-operation between Algeria and Tunisia 445
January 6, 1970
4.1390 Treaty of Brotherhood, Good-Neighbourly Relations, and
Co-operation between the Kingdom of Morocco and
Mauritania 445
June 8, 1970
4.1391 Agreement of Friendship and Cooperation between the
United States of America and Spain 446
August 6, 1970
4.1392 Treaty of Friendship, Co-operation, and Mutual Assistance
between the People’s Republic of Bulgaria and the Socialist
Republic of Romania 450
November 19, 1970
4.1393 Treaty of Friendship and Cooperation between the
Union of Soviet Socialist Republics and the United
Arab Republic 451
May 27, 1971
4.1394 Treaty of Peace, Friendship and Cooperation between
India and the Soviet Union 453
August 9, 1971
4.1395 Treaty of Peace and Friendship between the Government
of India and the Government of the People’s Republic of
Bangladesh 455
March 19, 1972
4.1396 Soviet-Iraqi Treaty of Friendship and
Co-operation 456
April 9, 1972
4.1397 Treaty of Friendship, Co-operation, and Mutual Assistance
between the Socialist Republic of Romania and the
German Democratic Republic 457
May 12, 1972
4.1398 Mutual Defense Agreement between Sudan
and Uganda 459
June 28, 1972
4.1399 Defence and Security Treaty between Niger and Libya 459
March 9, 1974
4.1400 Agreement between Algeria and Libya 459
December 28, 1975
4.1401 Sudanese Defense Agreement with Egypt 459
July 15, 1976
4.1402 Treaty of Friendship, Co-operation, and Mutual Assistance
between the Union of Soviet Socialist Republics and the
People’s Republic of Angola 461
October 8, 1976
4.1403 Treaty of Friendship and Co-operation between the
Union of Soviet Socialist Republics and the People’s
Republic of Mozambique 462
March 31, 1977
4.1404 Non-Aggression and Defense Assistance Agreement
between the States of the West African Economic
Community (CEAO) and Togo 464
June 9, 1977
4.1405 Treaty of Friendship and Co-operation between the
Union of Soviet Socialist Republics and the Socialist
Republic of Viet Nam 465
November 3, 1978
4.1406 Treaty of Friendship and Co-operation between the Union
of Soviet Socialist Republics and Socialist Ethiopia 467
November 20, 1978
4.1407 Defense and Non-Aggression Pact between Guinea and
Liberia 468
January 23, 1979
4.1408 Treaty of Friendship and Co-operation between the
German Democratic Republic and Angola 469
February 19, 1979
4.1409 Treaty of Friendship and Co-operation between the
German Democratic Republic and Mozambique 469
February 24, 1979
4.1410 Defense Pact between Angola and Zambia 471
May 10, 1979
4.1411 Non-Aggression Pact among Angola, Zaire, and
Zambia 471
October 12, 1979