New York City the city is home to the world's two largest stock exchanges by total market capitalization, the New York Stock Exchange and NASDAQ. In 1664, the city was named in honor of the Duke of York, who would become King James II of England. James's older brother, King Charles II, had appointed the Duke proprietor of the former territory of New Netherland, including the city of New Amsterdam, which England had recently seized from the Dutch. During the Wisconsinan glaciation, 75,000 to 11,000 years ago, the New York City region was situated at the edge of a large ice sheet over
Commissioner of Health of the City of New York The modern Department of Health, under a single commissioner, was formed by the New York City Charter revision pursuant to Chapter 137 of the Laws of 1870 passed by the New York State legislature. In the early years after its formation, commissioners were sometimes political appointments, with no experience in medicine or related fields. In 2002, the Department of Health was merged with the Department of Mental Health, Mental Retardation and Alcoholism Services to form the Department of Health and Mental Hygiene. City regulations currently require that the commissioner of health must be a doctor of medicine, and have either