History of New York City (1784–1854) as the financial and mercantile capital of the western hemisphere. The Great New York City Fire of 1845 destroyed 345 wooden buildings in the Financial District. The Hudson River Railroad (which grew into the New York Central) opened October 3, 1851; it extended the Mohawk and Hudson Railroad, the first railroad built in the state, south to New York City. The city and its nearby suburbs grew rapidly for several reasons. The natural harbor at the base of Manhattan, Brooklyn, and the New Jersey ports at Newark and Elizabeth provided almost unlimited capacity for trading ships and protection from storms.
New York and New Jersey campaign New York and New Jersey campaign The New York and New Jersey campaign was a series of battles in 1776 and the winter months of 1777 for control of New York City and the state of New Jersey during the American Revolutionary War between British forces under General Sir William Howe and the Continental Army under General George Washington. Howe was successful in driving Washington out of New York City, but overextended his reach into New Jersey, and ended the active campaign season in January 1777 with only a few outposts near the city. The British held New York harbor