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The 1920s (pronounced "nineteen-twenties" often shortened to the "' 20s" or the "Twenties") was a decade that began on January 1, 1920, and ended on December 31, 1929. . Primarily known for the economic boom that occurred in the Western World following the end of World War I (1914–1918), the decade is frequently referred to as the "Roaring Twenties" or the "Jazz Age" in America and Western ...
1920 – First radio broadcasts, by KDKA in Pittsburgh and WWJ in Detroit; 1920 – Volstead Act; 1920 – Esch–Cummins Act; 1920 – Economy collapses. The Depression of 1920–21 begins. 1920 – National Football League is formed; 1920 – 1920 U.S. presidential election: Warren G. Harding elected president, and Calvin Coolidge vice president.
The term "conservation" appeared in 1908 and was gradually replaced by "environmentalism" in the 1970s as the focus shifted from managing and protecting natural resources to a broader concern for the environment as a whole and the negative impact of poor air or water on humans. For recent history see Environmental policy of the United States.
The downtown was swiftly rebuilt with local investment from the regions mineral resources using brick, stone masonry, and terra cotta. [42] Within a year, 100 buildings had been built on the blank canvas that is now the downtown core, much of it from esteemed architects such as Herman Preusse , Kirtland Cutter , and John K. Dow , and Spokane ...
1920s portal This category is for articles that relate to the natural environment in the decade 1920s . They include the human impact on the environment , environmental law , conservation , environmentalism and environmental issues .
1920s: The Spanish Flu. In the fall of 1918, a mutated version of the virus that claimed its first victims in the spring made its way around the world, causing the death rate to escalate quickly ...
This timeline of the history of environmentalism is a listing of events that have shaped humanity's perspective on the environment. This timeline includes human induced disasters, environmentalists that have had a positive influence, and environmental legislation .
June 15 – 1920 Duluth lynchings: Three African Americans are sprung from jail and lynched by a white mob in Duluth, Minnesota. June 21 – The 4.9 M L Inglewood earthquake shakes the Los Angeles Area with a maximum Mercalli intensity of VIII ( Severe ), causing more than $100,000 in damage.