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Henry Ford perfects mass production
Henry Ford is largely responsible for kickstarting a new form of mass production with the moving assembly line. With increased production and skyrocketing sales, Ford mass-produced his famous Model T automobiles. Buying a new car was no longer a luxury of the wealthy but a standard practice of the middle class. -
Harlem Renaissance begins
The Harlem Renaissance was a period in American history from the 1920s and 1930s. During this time, many African-Americans migrated from the South to Northern cities, seeking economic and creative opportunities. Within their communities creative expression became an outlet for writers, musicians, artists, and photographers, with a particular concentration in Harlem, New York. -
Palmer Raids
The Palmer Raids were a series of raids conducted in November 1919 and January 1920 by the United States Department of Justice under the administration of President Woodrow Wilson to capture and arrest suspected socialists, especially anarchists and communists, and deport them from the United States -
Women gain the right to vote
Passed by Congress June 4, 1919, and ratified on August 18, 1920, the 19th amendment granted women the right to vote. The 19th amendment legally guarantees American women the right to vote. Achieving this milestone required a lengthy and difficult struggle—victory took decades of agitation and protest. -
Prohibition begins
The Prohibition era was a period in the United States from 1920 to 1933 during which a nationwide constitutional law prohibiting the production, importation, transportation, and sale of alcoholic beverages was enacted. -
Teapot Dome Scandal
The Teapot Dome scandal was a bribery scandal involving the administration of United States President Warren G. Harding from 1921 to 1923. Secretary of the Interior Albert Bacon Fall had leased Navy petroleum reserves at Teapot Dome in Wyoming, as well as two locations in California, to private oil companies at low rates without competitive bidding -
Sacco and Vanzetti are convicted
Their trials for armed robbery and murder occurred in this atmosphere of social tension and turmoil. The trial judge permitted the prosecution to present extensive evidence about their anarchist ideology, immigrant background, and refusal to register for the military draft during World War I. -
Scopes trial
The Scopes trial, formally The State of Tennessee v. John Thomas Scopes, and commonly referred to as the Scopes Monkey Trial, was an American legal case from July 10 to July 21, 1925, in which a high school teacher, John T. Scopes, was accused of violating Tennessee's Butler Act, which had made it illegal for teachers to teach human evolution in any state-funded school. -
Charles Lindbergh crosses the Atlantic
Charles A. Lindbergh completed the first solo, nonstop transatlantic flight in history, flying his Spirit of St. Louis from Long Island, New York, to Paris, France. -
Kellogg-Briand pact signed
The Kellogg–Briand Pact or Pact of Paris – officially the General Treaty for Renunciation of War as an Instrument of National Policy – is a 1928 international agreement on peace in which signatory states promised not to use war to resolve "disputes or conflicts of whatever nature or of whatever origin they may be, which may arise among them". -
Black Tuesday stock market crash
The Wall Street Crash of 1929, also known as the Great Crash or the Crash of 29 was a major American stock market crash that occurred in the autumn of 1929. It started in September, when share prices on the New York Stock Exchange collapsed, and ended in mid-November.