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Date |
Event(s) |
| 1 | 1903 | - 1903: Alaska boundary Dispute Settled
The United Kingdom and the United States settle the Alaska boundary dispute on the border with British Columbia. Canadians are disappointed by the lack of a sea-water port to connect to the Yukon.
- 17 Dec 1903: First Flight by Wilbur and Orville Wright
Wilbur and Orville Wright took turns piloting and monitoring their flying machine in Kill Devil Hills, North Carolina. The brothers became the first people to demonstrate sustained flight of a heavier-than-air machine under the complete control of the pilot.
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| 2 | 1908 | - 17 Sep 1908: Sinking of the Titanic
The date the RMS Titanic sank in the North Atlantic
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| 3 | 1914 | - 15 Aug 1914: Opening of the Panama Canal
The United States officially opens the Panama Canal
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| 4 | 1917 | - 6 Apr 1917—11 Nov 1918: World War I
Duration of America's contribution to World War I
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| 5 | 1929 | - Aug 1929—1939: Great Depression
Duration of the American Great Depression
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| 6 | 1930 | - 22 Jan 1930—1 May 1931: Construction of the Empire State Building
Duration of official construction and opening of the Empire State Building in new York City, New York
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| 7 | 1941 | - 7 Dec 1941—2 Sep 1945: World War II
Duration of America's contribution to World War II
- 7 Dec 1941: Japanese Attack on Pearl harbor
Date the japanese attacked Pearl Harbor, "A Day That Shall Live in Infamy." Start of America's entry into World War II
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| 8 | 1947 | - 1 Jan 1947: Canadian Citizenship Act
The Canadian Citizenship Act, 1946 comes into force creating a new, separate, Canadian legal citizenship for all British subjects born, raised, or resident in Canada and automatic citizenship for all those born in Canada after this date.
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| 9 | 1950 | - 25 Jun 1950—27 Jul 1953: Korean War
Duration of America's involvement in the Korean War
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| 10 | 1955 | - 1 Nov 1955—27 Jan 1973: Vietnam War
Duration of America's involvement in the Vietnam War (Second Indochina War)
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| 11 | 1956 | - 26 Jul 1956: Sinking of the Andria Doria
The date the Italian ocean lilner Andria Doria sank off Nantucket, Massachusetts
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| 12 | 1959 | - 3 Jan 1959: Alaska Becomes 49th State
Offical date that Alaska becomes the 49th State of the United States
- 21 Aug 1959: Hawaii Becomes 50th US State
Official date Hawaii becomes the 50th State of the United States
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| 13 | 1961 | - 1961: Oral Polio Vaccine Introduced
The year the oral polio vaccine came into commercial use
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| 14 | 1963 | - 22 Nov 1963: Assassination of John F Kennedy
Date President John F Kennedy was assassinated
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| 15 | 1968 | - 4 Apr 1968: Assassination of Martin Luther King Jr.
Date Martin Luther King Jr. assassinated
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| 16 | 1969 | - 20 Jul 1969: First Moon Landing
Commander Neil Armstrong and lunar module pilot Buzz Aldrin formed the American crew that landed the Apollo Lunar Module Eagle on July 20, 1969, at 20:17 UTC.
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| 17 | 1990 | - 2 Aug 1990—28 Feb 1991: Desert Storm
Duration of America's involvement in Desert Storm (First Iraq War)
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| 18 | 2001 | - 11 Sep 2001: 9/11/2001 Terrorist Attack
Date of terrorist attacks at the New York City World Trade Centers and Pentagon in Washington, D.C.
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