Brooklyn is the
most populous of New York City's five boroughs with a Census-estimated 2,621,793 people in 2014.
Brooklyn was an independent incorporated city until January 1, 1898, when, after a long political
campaign and public relations battle during
the 1890s, according to the new Municipal Charter of "Greater New
York", Brooklyn was consolidated with the other cities, boroughs and
counties to form the modern "City of New York. Source