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Date |
Event(s) |
1 | 1850 | - 1850—1930: Second Industrial Revolution
This period saw major advancements in technology, including the development of the telegraph, the telephone, and electricity. The steel industry, chemical manufacturing, and the expansion of the railroad network played significant roles in this period.
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2 | 1923 | - 1923—1929: President Calvin Coolidge
30th POTUS
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3 | 1929 | - 1929—1933: President Herber Hoover
31st POTUS
- 29 Oct 1929: Stock Market Crash
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4 | 1931 | - 1931—1936: Hoover Dam Built
Previously known as Boulder Dam, it's located on the Colorado River, on the border between the states of Arizona and Nevada. It was built primarily for the purposes of flood control, water storage, and hydroelectric power generation. 96 workers died due to various accidents and hazards associated with the construction work, including falls, heat-related illnesses, drowning, and industrial accidents.
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5 | 1933 | - 1933—1945: President Franklin D. Roosevelt
32nd POTUS
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6 | 1935 | - 1935—1936: Italo-Ethiopian War
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7 | 1936 | - 1936—1939: Spanish Civil War
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8 | 1939 | |
9 | 1945 | - 1945: United Nations is formed
- 1945—1953: President Harry S. Truman
33rd POTUS
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10 | 1947 | |
11 | 1950 | - 1950—1953: Korean Conflict
- 21 Aug 1950: Hawaii becomes a state
In 1893, a group of American and European residents, along with some members of the Hawaiian elite, staged a coup that led to the overthrow of Queen Liliuokalani, the reigning monarch of Hawaii. After much debate, Hawaii became the 50th state.
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12 | 1953 | - 1953—1961: President Dwight D. Eisenhower
34th POTUS
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13 | 1959 | - 3 Jan 1959: Alaska becomes a state
Originally colonized by Russia, Secretary of State William H. Seward negotiated the purchase of Alaska in 1867 for $7.2 million. Alaska officially became the 49th state of the United States under President Eisenhower.
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14 | 1960 | |
15 | 1961 | - 1961—1963: President John F. Kennedy
35th POTUS; assasinated
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16 | 1963 | - 1963—1969: President Lyndon B. Johnson
36th POTUS
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17 | 1969 | - 1969—1974: President Richard M. Nixon
37th POTUS; resigned
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18 | 1971 | |
19 | 1974 | - 1974—1977: President Gerald R. Ford
38th POTUS
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20 | 1977 | - 1977—1981: President James E. Carter
39th POTUS
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21 | 1979 | - 1979—1989: Afghanistan - Soviet Occupation
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22 | 1980 | |
23 | 1981 | - 1981—1989: President Ronald W. Reagan
40th POTUS
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24 | 1982 | - 1982: Falkland Islands War
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25 | 1989 | - 1989: Fall of the Berlin Wall
- 1989—1993: President George H. W. Bush
41st POTUS
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26 | 1990 | - 1990—1991: Persian Gulf War
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27 | 1993 | - 1993—2001: President William J. Clinton
42nd POTUS
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