When this was started back in 1956 the headquarters was in New York, then it moved to Virgina, and now Sister Cities International (a non-profit) is now located in Washington D.C.  

 

President Dwight D. Eisenhower's historic September 11–12, 1956 White House conference on citizen diplomacy. The post-World War II climate proved an ideal environment to launch this kind of effort. With enthusiastic response to the concept, tens-of thousands of Americans pledged their support to create a free and peaceful world.

 

Growing out of the two-day White House Conference, participants formed forty-two "People-to-People" committees. The autonomous nature of the federally backed movement meant that some committees flourished while others never left the ground. By 1960, thirty-three committees continued the original mission. People-to-People International also grew out of this umbrella group of committees.

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The sister city idea developed from the Civic Committee. Envisioned by President Eisenhower as the 'main cog' for citizen diplomacy, the sister city program grew throughout the 1950s and 1960s. The Civic Committee and the National League of Cities provided joint administrative support for the fledgling sister city movement until 1973.

 

A 1974 study found that many early sister city relationships formed out of the post WWII aid programs to Western Europe. The relationships that endured, however, were based on cultural or educational reasons that developed lasting friendships.

 

During the mid-1960s, city affiliations recognized that their diverse efforts needed coordination. In 1967, the Town Affiliation Association of the U.S. (already popularly known as Sister Cities International) was created.

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[In 1979, the very first U.S. and People's Republic of China links were created. San Francisco made waves by forming a "friendship" relationship with Shanghai, China. Despite Cold War tensions, U.S. cities had already initiated sister city relationships with the Soviet Union in 1973.

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The sister city movement provided a mechanism for communities to share their experiences and growing pains. TAP focused on a spiral out benefits system. For example, a city project to improve surface drainage would indirectly aid the urban poor. These citizens would gain better sanitation and possible employment from the project. The United States Agency for International Development (USAID) provided seed grant money for the project.

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In the mid 1970s, the Town Affiliation Association began the School Affiliation Program. Through this program, youth gained greater sensitivity toward other cultures and a broader global perspective. In one program, Oakland, California and Fukuoka, Japan spent a school year exchanging artwork and conducting workshops on the Japanese culture.

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The Town Affiliation Association marked its 25th anniversary in 1981. By that time, 720 U. S. cities representing 85 million citizens were linked to over 1,000 communities in 77 nations around the world. In addition, the association’s name evolved to its current form, Sister Cities International.