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The 20th century in the United States refers to the period in the United States from 1901 through 2000 in the Gregorian calendar. For information on this period, see: History of the United States series: History of the United States (1865–1918) History of the United States (1918–1945) History of the United States (1945–1964)
20th-century philosophy covers thinkers who wrote and produced ideas in philosophy during the twentieth century. New ways of thinking about problems were put forward following the success of science and advances in mathematics and other areas of study.
This category has the following 67 subcategories, out of 67 total. 20th century by continent (23 C) 20th century by country (319 C) 1900s (50 C, 2 P) 1910s (51 C, 2 P) 1920s (53 C, 7 P) 1930s (53 C, 6 P) 1940s (53 C, 5 P) 1950s (53 C, 3 P)
