1869 Knights of Labor founded.
Cincinnati mounts first paid baseball team.
1871 Boss Tweed's rule in New York ends.
Chicago's Great Fire.
1873 Panic on Wall Street touches off depression.
1877 Great Railroad Strike.
1880s Immigration from southern and eastern Europe rises.
1882 Chinese Exclusion Act.
1883 Brooklyn Bridge opens.
1886 American Federation of Labor (AFL) founded.
Haymarket bombing.
1890s African American migration from the South begins.
1890 Jacob Riis publishes How the Other Half Lives.
1892 Ellis Island opens.
1893 World's Columbian Exposition.
Panic on Wall Street touches off major economic depression.
1895 Boston Public Library opens in Copley Square.
1896 President Grover Cleveland vetoes immigrant literacy test.
1897 Steeplechase Park opens on Coney Island.
Nation's first subway system opens in Boston.