United States Detroit, Michigan (January 21, 1915)	United Kingdom Harlow and District (June 28, 1973)
	Canada Hamilton, Ontario (November 1, 1916)	Guam Agaña (January 14, 1974)
	Mexico Tijuana, Baja California (April 17, 1962)	Liechtenstein Vaduz (February 1, 1974)
	Bahamas Nassau (December 13, 1962)	Monaco Monaco (March 9, 1974)
	Austria Vienna (February 25, 1963)	Barbados Bridgetown (September 17, 1974)
	Switzerland Basel (April 1, 1963)	Cayman Islands Grand Cayman (February 19, 1975)
	Belgium Brussels (April 9, 1963)	Venezuela Metropolitano, Caracas (October 2, 1975)
	Germany Frankfurt/Main (December 9, 1963)	Guadeloupe Pointe-A-Pitre (February 24, 1976)
	Norway Oslo (January 10, 1964)	Malaysia Kuala Lumpur (April 11, 1976)
	Iceland Reykjavík-Hekla (January 14, 1964)	Nigeria Kano (May 12, 1976)
	Japan Tokyo (January 24, 1964)	Suriname Paramaribo (August 12, 1976)
	Jamaica Kingston (March 24, 1964)	India Kanpur (September 21, 1977)
	Philippines Manila (July 11, 1964)	Portugal Figueira da Foz (April 8, 1978)
	Netherlands Antilles Curaçao (August 1, 1964)	French Guiana Cayenne (May 13, 1978)
	Aruba Aruba (November 21, 1964)	Turks and Caicos Island Grand Turk Island (June 13, 1978)
	Puerto Rico San Juan (May 26, 1965)	Kenya Nairobi (June 24, 1978)
	France Metz-Doyen (June 14, 1965)	Tunisia Tunis (June 3, 1980)
	The Netherlands Amsterdam (November 12, 1965)	Faroe Islands Torshavn (April 30, 1981)
	Sweden Karlstad (April 3, 1967)	Saint Lucia Castries (September 30, 1982)
	New Zealand Auckland (April 26, 1967)	Sri Lanka Colombo (September 30, 1982)
	Colombia Bucaramanga (July 7, 1967)	Finland Tampere (September 29, 1983)
	Australia Melbourne (October 2, 1967)	Tahiti (French Polynesia) Tahiti-Papeete (January 17, 1988)
	Italy Milano-Centro (October 10, 1967)	Hungary Miskolc (September 16, 1989)
	Panama Panamá City (November 20, 1967)	Czech Republic Brno (June 2, 1990)
	Republic of China Taipei (November 3, 1967)	Dominica Roseau (November 17, 1990)
	Korea Seoul (November 15, 1967)	Slovakia Kosice (May 16, 1991)
	Trinidad and Tobago Port of Spain (April 8, 1968)	Poland Gdansk (May 27, 1991)
	Argentina Buenos Aires (October 23, 1968)	Kazakhstan Zhambyl (September 2, 1991)
	Costa Rica San José (May 24, 1969)	Romania Satu Mare (October 1, 1991)
	Luxembourg Luxembourg (September 13, 1969)	Indonesia Jakarta (March 17, 1992)
	Hong Kong Hong Kong (January 6, 1970)	Turkey Ankara (June 18, 1993)
	El Salvador San Salvador (April 3, 1970)	Estonia Keila (January 6, 1994)
	Ecuador Quito (July 28, 1970)	Lithuania Vilnius Centras (September 4, 1996)
	New Caledonia Nouméa (September 10, 1970)	Republic of Macedonia Skopje (September 30, 1996)
	Bermuda Hamilton (June 2, 1971)	Antigua and Barbuda St. John's Antigua (September 25, 1997)
	Singapore Singapore (June 15, 1971)	Bulgaria Sofía (July 28, 1998)
	Martinique Fort-de-France (October 23, 1971)	South Africa Johannesburg (September 10, 1998)
	Vanuatu Port Vila (February 13, 1973)	Georgia T'bilísi (September