Why do countries have twin cities?
Why do countries have twin cities? A sister city or a twin town relationship is a form of legal or social agreement between two geographically and politically distinct localities for the purpose of promoting cultural and commercial ties.
What is the oldest sister city in the United States?
Oldest Sister City Relationship Established Between Toledo, Ohio and Toledo, Spain. Although many communities site evidence of exchanges or other activities, Sister Cities International has verified that officials from Toledo, Ohio, and Toledo, Spain signed a twinning document in 1931.