  
    Timeline by Decade 
    1834: City of Brooklyn (former Town of Brooklyn)
    incorporated 
    1838: Green-Wood
    Cemetery incorporated 
    1839: Brooklyn city plan adopted; street grid mapped 
     
    1840s-1850s: First great wave of European
    immigration begins around mid-century, largely northern and western Europeans 
    1847: Atlantic Basin completed 
    1849: Brooklyn City (now Brooklyn Borough) Hall
    completed 
     
    1851: City of Williamsburgh chartered 
    1852: Town of New Lots, formerly part of the Town of
    Flatbush, organized 
    1855: Consolidated City of Brooklyn
    established, merging former City of Brooklyn with City of Williamsburgh and Town of
    Bushwick 
    1855: 47 percent of Brooklyn's
    population is foreign-born (compared to 51 percent of Manhattan's) Of the foreign born
    population, the Irish comprised 55%. 
    1858: National Association of Base Ball Players
    (NABBP), baseball's first centralized organization, formed by delegates from New York and
    Brooklyn; 71 teams in Brooklyn 
     
    1860: Brooklyn is third-largest U.S.
    city, with a population of almost 267,000 
    1861: U.S. Civil War begins 
    1863: The Brooklyn Historical Society founded as The
    Long island Historical Society in Brooklyn Heights; New York City draft riots break out
    and violence spreads to Brooklyn 
    1864: Brooklyn Long Island Sanitary
    Fair held at new Brooklyn Academy of Music to raise money for wives and children of
    impoverished Civil War draftees 
     
    1874: Prospect Park completed; street grids mapped
    for Towns of Flatbush, Flatlands, New Utrecht, and Gravesend 
      
    Currier and Ives - City of Brooklyn,
    1879 (note that bridge is pictured as completed) 
     
    1880s: Second great wave of European
    immigration lasts into early twentieth century, largely eastern and southern Europeans 
    1880: Brooklyn is fourth largest
    producer of manufactured goods in nation 
    1881: The Brooklyn Historical
    Society opens new building on Pierrepont Street in Brooklyn
    Heights, still its home today 
    1882: Chinese Exclusion Act; repealed in 1943 
    1883: Brooklyn
    Bridge completed; Dodgers organized as minor league team in Brooklyn 
    1886: Town of New Lots annexed to Brooklyn 
     
    1894: Towns of Flatbush, Gravesend,
    and New Utrecht annexed to the City of Brooklyn:  
    1896: Town of Flatlands annexed to the
    City of Brooklyn 
      
    1897: Brooklyn Public Library
    formed: Steeplechase Park
    opens in Coney Island 
    1898: City of Brooklyn (Kings
    County) consolidated into Greater New York 
     
    1900: Brooklyn numbers 1,166,582
    people 
    1902: Bush Terminal erects new buildings 
      
    1903: Williamsburg Bridge opens; Luna Park opens in Coney
    Island 
    1904: Dreamland opens in Coney Island 
      
    Borough Hall
    Station. Picture of first train run through tube 
    which is 90 feet below the East River. (Early Postcard) 
    1908: The IRT, New York's first
    subway, connected to Brooklyn via the Joralemon Street tunnel 
      
    Start of Brooklyn Marathon 1909 
    1909: Manhattan Bridge opens 
     
      
    Brooklyn Baseball Club -
    1911 
    1911: Triangle Shirtwaist Company
    fire in NYC kills 140 young workers 
    1913: Ebbets Field, home to the
    Brooklyn Dodgers, opens 
    1915: Brooklyn Navy Yard builds Arizona,
    New Mexico, and other battleships 
    1915: 'Great Migration" of African Americans
    from America's rural South, continues through 1930s and is followed by renewed migration
    from the South during and after World War II 
    1917: United States gives citizenship to Puerto
    Ricans; beginning of large migration to Brooklyn and New York area 
    1919: Brooklyn Army Terminal completed 
     
    1920: Subway arrives at Coney Island. Prohibition
    starts. 
    1924:Immigration Act of 1924; United States enacts
    restrictive legislation, aimed largely at southern and eastern Europeans, which sharply
    reduces immigration for next forty years 
     
    1930: Brooklyn is New York City's
    most populous borough, population 2,560,401. 
    1933: Prohibition Repealed. 
    1936: IND (Independent) subway opens in Brooklyn 
     
    1941: Attack on U.S. naval base at Pearl Harbor triggers U.S. entry into World
    War II 
    1942: Iowa launched in record time at
    Brooklyn Navy Yard; U.S. Navy transforms Floyd Bennett Field, New York City's first
    airport, into naval air training station 
    1945: WWII is over. 
    1947: Jackie Robinson joins the
    Dodgers as the first African American player in the major leagues 
    1950: Brooklyn's population peaks at
    2,738,175 
    1954: Ellis
    Island closes 
    1955: Brooklyn Dodgers win World
    Series against longtime rival New York Yankees. Brooklyn Eagle folds after 114 year
    run 
    1957: Dodgers play their last game
    at Ebbets Field; leave for Califomia and become L.A. Dodgers 
     
      
    1964: Verrazano Narrows Bridge
    completed, the longest suspension bridge in the world 
    1965: U.S. immigration laws ease;
    new immigrants mainly of Caribbean, Latin American, and Asian origin 
    1966: Brooklyn Navy Yard closes; in
    early 1970s City of New York and local nonprofit groups begin to transform into an
    industrial park. Brooklyn Heights designated New Yorks first historic
    district 
    1969: West Indian/American Day
    Carnival parades along Brooklyn's Eastern Parkway for the first time; for many years had
    been held in Harlem 
     
    1970: Brooklyn Army Terminal, a
    military ocean-supply facility is deactivated 
    1976: Nations Bicentennial
    celebrated 
    1977: Fulton Mall built in downtown
    Brooklyn 
     
    1983: Centennial of Brooklyn Bridge
    celebrated 
     
    1990: Brooklyn
    remains New York City's most populous borough; population of 2,300,664 the equivalent of
    the fourth-largest city in the nation after New York City, Los Angeles, and Chicago. Ellis
    Island Immigration Museum opens. 
    1995: World Series banner won by
    Brooklyn Dodgers in 1955 is donated to The Brooklyn Historical Society by the L.A. Dodgers 
    Source 
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