Savannah is the largest city in, and the county seat of, Chatham County, Georgia, USA. The city of Savannah was established in 1733 and was the colonial capital of the Province of Georgia and later the first state capital of Georgia. Each year Savannah attracts millions of visitors, who enjoy the city's architecture and historic buildings: the birthplace of Juliette Gordon Low (founder of the Girl Scouts of the United States of America), the Telfair Academy of Arts and Sciences (one of the South's first public museums), the First African Baptist Church (one of the oldest African American Baptist congregations in the United States), Temple Mickve Israel (the third-oldest synagogue in America), and the (the oldest standing antebellum rail facility in America). Today Savannah's downtown area, which includes the Savannah Historic District, the Savannah Victorian Historic District and 22 parklike squares, is one of the largest National Historic Landmark Districts in the United States (designated by the U.S. government in 1966). Savannah was the host city for the sailing competitions during the 1996 Summer Olympics held in Atlanta, Georgia.