New York Subway opens first section

August 1, 1904, saw the opening of the first New York City Subway line operated by the Interborough Rapid Transit Company, running from City Hall to 145th Street. Engineered by William Barclay Parsons with challenges like tunneling under rivers, it used electric multiple units. Key figures included August Belmont Jr. This innovation transformed urban mobility, reducing street congestion. It featured early steel cars and influenced global subway designs. Model enthusiasts replicate its stations and signals. Lasting impact includes the world's largest subway system and economic vitality of Manhattan.