> CHRONOLOGY

1915–1920

  • Great migration of half a million southern blacks.

1918

  • Global influenza epidemic starts.

1919

  • Wave of labor strikes occurs.

  • Red scare grips Americans.

  • Schenck v. United States decision limits free speech.

1920

  • American Civil Liberties Union founded.

  • Palmer raids ordered.

  • Warren G. Harding elected president.