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Archduke Franz Ferdinand is assassinated in Sarajevo. His death is the event that sparks World War I.
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First trenches of the western front were built
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The unofficial Christmas truce is declared
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Boat is sunk by a german u boat
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British intelligence gives Wilson the so-called Zimmermann Telegram, a message from German foreign secretary Arthur Zimmermann proposing that Mexico side with Germany in case of war between Germany and the United States.
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U.S. Enters War
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Congress passes the Selective Service Act authorizing the draft.
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Woodrow Wilson outlines his Fourteen Points
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Armistice was signed at 11.00am in Redonthes in France
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The Palmer Raids begin, launching a period of intense government persecution of radical political dissidents in response to the postwar Red Scare sweeping the nation.
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The Great Steel Strike of 1919 ends with capitulation by the steelworkers.
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Charismatic black nationalist leader Marcus Garvey, a Jamaican immigrant, convenes the first International Convention of the Negro Peoples of the World in New York's Madison Square Garden.
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The Nineteenth Amendment is ratified, granting women the right to vote.
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The United States Census reports, for first time, that more Americans live in urban areas than in rural areas. However, "urban" is defined as any town with more than 2,500 people.
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Congress passes immigration restrictions, for the first time creating a quota for European immigration to the United States. Targeted at "undesirable" immigrants from Southern and Eastern Europe, the act sharply curtails the quota for those areas while retaining a generous allowance for migrants from Northern and Western Europe.
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The Sacco-Vanzetti trial begins; immigrant Italian radicals Nicola Sacco and Bartolomeo Vanzetti will eventually be convicted of murder and executed.
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Baseball's World Series is broadcast on radio for the first time; the New York Giants defeat the New York Yankees, five games to three.
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President Warren G. Harding dies of stroke in a San Francisco hotel room. Vice President Calvin Coolidge ascends to presidency.
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The great stock market crash of 1929
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View of the entrance to the main camp of Auschwitz (Auschwitz I). The gate bears the motto "Arbeit Macht Frei" (Work makes one free).
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The George Washington Carver Museum is dedicated at the Tuskegee Institute with the participation of such luminaries as Henry Ford. The museum is now part of the Tuskegee Institute National Historic Site.
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An eight point declaration of principles called the Atlantic Charter is issued by President Roosevelt and Great Britain Prime Minister Winston Churchill.
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The development of the first atomic bomb is signed into agreement between the Prime Minister of Great Britain, Winston Churchill, and President Franklin D. Roosevelt in Hyde Park, New York.
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The Jefferson Memorial in Washington, D.C. is dedicated on the 200th anniversary of Thomas Jefferson's birth by President Franklin D. Roosevelt.
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Race riots in Detroit and Harlem cause forty deaths and seven hundred injuries.
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The G.I. Bill of Rights is signed into law, providing benefits to veterans.
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The United States military begins to retake the island of Guam after Japanese troops had occupied the island during World War II. The battle would end on August 10.
