1878 - Aft 1900 (> 23 years)
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Date |
Event(s) |
| 1 | 1881 | - 1 Jan 1881: American Federation of Labor founded,The AFL was founded by Samuel Gompers as a national federation of labor unions.
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| 2 | 1882 | - 4 Sep 1882: Edison's Pearl Street Station,Thomas Edison's electric power plant began operation in New York City, providing power for the first time.
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| 3 | 1886 | - 1 May 1886: Haymarket Affair,A labor protest rally in Chicago turned into a riot after a bomb was thrown, killing police officers and civilians.
- 28 Oct 1886: Statue of Liberty dedicated,The Statue of Liberty was dedicated in New York Harbor.
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| 4 | 1890 | - 1 Dec 1890: Wounded Knee Massacre,U.S. soldiers killed over 150 Lakota people in what is considered the final major conflict of the Indian Wars.
- 29 Dec 1890: Sherman Antitrust Act,Congress passed the first federal law prohibiting trusts and monopolies to promote competition.
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| 5 | 1893 | - 1 Jan 1893: Panic of 1893,A severe economic depression began, marked by bank failures and high unemployment.
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| 6 | 1896 | - 1 Jan 1896: Plessy v. Ferguson decision,The Supreme Court upheld the constitutionality of racial segregation under the "separate but equal" doctrine.
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| 7 | 1898 | - 15 Feb 1898: USS Maine explodes,The USS Maine battleship exploded in Havana Harbor, leading to the Spanish-American War.
- 21 Apr 1898: Spanish-American War begins,The United States declared war on Spain.
- 13 Aug 1898: Spanish-American War ends,The Treaty of Paris was signed, ending the war and ceding territories like Puerto Rico, Guam, and the Philippines to the United States.
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| 8 | 1900 | - 14 Dec 1900: Hawaii annexed,The United States officially annexed Hawaii.
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| 9 | 1901 | - 14 Sep 1901: Theodore Roosevelt becomes President,Theodore Roosevelt became president after the assassination of President William McKinley.
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