West Bronx the first area outside Manhattan to be annexed by the City of New York. Today's West Bronx was then known as the "Annexed District". In 1895, the city annexed the modern-day East Bronx, followed in 1898 by western Queens County (today's borough of Queens, with the remainder of what was eastern Queens County becoming the newly formed Nassau County), all of the City of Brooklyn (today's borough of Brooklyn), and all of Richmond County (today's borough of Staten Island) to form the consolidated city of New York. Physically, the western parts of the Bronx are hilly, dominated by a series
Manhattan of Greater New York", Manhattan and the Bronx, though still one county, were established as two separate boroughs. On January 1, 1914, the New York State Legislature created Bronx County, and New York County was reduced to its present boundaries. The construction of the New York City Subway, which opened in 1904, helped bind the new city together, as did additional bridges to Brooklyn. In the 1920s Manhattan experienced large arrivals of African-Americans as part of the Great Migration from the southern United States, and the Harlem Renaissance, part of a larger boom time in the Prohibition era that included