1955 The American Federation of Labor (AFL) merges with the Congress of Industrial Organizations (CIO) on December 5. Timeline State: New YorkTimeline Country: United StatesTimeline Subjects: labor & unionsEra: 1901-2000 Read more about 1955
1951 Julius and Ethel Rosenberg are convicted of treason on March 29 and executed on June 19, 1953. Timeline State: New YorkTimeline Country: United StatesTimeline Subjects: national securityEra: 1901-2000 Read more about 1951
1935 The Congress of Industrial Organizations (CIO) is formed in New York City on November 9 by eight industrial unions formerly affiliated with the American Federation of Labor.Timeline State: New YorkTimeline Country: United StatesTimeline Subjects: labor & unionsEra: 1901-2000 Read more about 1935
1932 On November 8, New York Governor Franklin Roosevelt is elected the thirty-second President of the U.S.Timeline State: New YorkTimeline Country: United StatesTimeline Subjects: politicsEra: 1901-2000 Read more about 1932
1929 The Stock Market Crashes on October 24, initiating the twelve-year Great Depression.Timeline State: New YorkTimeline Country: United StatesTimeline Subjects: the economyEra: 1901-2000 Read more about 1929
1931 The 102-story Empire State Building, then the world's tallest building, opens on May 1 in New York City.Timeline State: New YorkTimeline Country: United StatesTimeline Subjects: science & technologyEra: 1901-2000 Read more about 1931
1911 The Triangle Shirtwaist Company Fire in New York City on March 25 kills 146 women employees.Timeline State: New YorkTimeline Country: United StatesTimeline Subjects: the economyEra: 1901-2000 Read more about 1911
1909 The National Association for the Advancement of Colored People (NAACP) is formed in New York City on February 12.Timeline State: New YorkTimeline Country: United StatesTimeline Subjects: civil rightsEra: 1901-2000 Read more about 1909
1902 New York City journalists Lincoln Steffens and Ida Tarbell publish muckraking articles and books.Timeline State: New YorkTimeline Country: United StatesTimeline Subjects: literatureEra: 1901-2000 Read more about 1902
1904 On October 27, the first section of the New York City Subway System is opened. It runs from City Hall in lower Manhattan to145th Street in Harlem.Timeline State: New YorkTimeline Country: United StatesTimeline Subjects: science & technologyEra: 1901-2000 Read more about 1904
