According to Sister Cities International, Bamyan has established a sister city relationship with Gering, Nebraska, United States.
Mayor Hasara was also greatly involved in Sister Cities International, and under her leadership, Springfield gained two additional sister cities (in Mexico and Ireland).
The city of Milwaukee in the state of Wisconsin in the United States is a sister city of Morogoro as designated by Sister Cities International.
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Crewdson was awarded a British American Arts Administrative Training Institute Fellowship, sponsored by the National Endowment for the Arts, and was the official U.S. representative at Tashkent's First International Theater Festival in Uzbekistan, and has represented the Chicago Artists International Program in Egypt and Turkey, and addressed the United States Sister Cities International delegation in Casablanca Morocco, at the 50th Anniversary celebration of its founding.