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July 1: The first Tour de France is held. July – August: In Russia the Bolsheviks and the Mensheviks form from the breakup of the Russian Social Democratic Labor Party. August 4: Pius X becomes Pope. November 18: Independence of Panama, the Hay–Bunau-Varilla Treaty is signed by the United States and Panama.
The 20th century began on 1 January 1901 (MCMI), and ended on 31 December 2000 (MM). [1] [2] It was the 10th and last century of the 2nd millennium and was marked by new models of scientific understanding, unprecedented scopes of warfare, new modes of communication that would operate at nearly instant speeds, and new forms of art and entertainment.
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- Jennifer Rosenberg
- The 1900s. This decade opened the century with some amazing scientific and technological feats: the first flight by the Wright brothers, Henry Ford's first Model-T, and Albert Einstein's Theory of Relativity.
- The 1910s. This decade was dominated by the first "total war"—World War I. It also saw other huge changes during the Russian Revolution and the beginning of Prohibition in the United States.
- The 1920s. The Roaring '20s were a time of a booming stock market, speakeasies, short skirts, the Charleston, and jazz. The '20s also showed great strides in women's suffrage—women got the vote in 1920.
- The 1930s. The Great Depression hit the world hard in the 1930s. The Nazis took advantage of this situation and came to power in Germany, established their first concentration camp, and began a systematic persecution of Jews in Europe.
Key events of the 20th century. The 20th century changed the world in unprecedented ways. The World Wars sparked tension between countries and led to the creation of atomic bombs, the Cold War led to the Space Race and the creation of space-based rockets, and the World Wide Web was created.
20th century: 1900s: 1910s: 1920s: 1930s: 1940s: 1950s: 1960s: 1970s: 1980s: 1990s: 3rd millennium · AD 2001–3000 21st century: 2000s: 2010s: 2020s: 2030s: 2040s: 2050s: 2060s: 2070s: 2080s: 2090s
May 2, 2022 · This 20th Century Timeline ranges from 1899 to as recent as 1999. 20th Century Timeline – 1899-1902: The Second Boer War. (See Main Article: The Great Rapprochement) The Second Boer War (1899-1902) was a costly victory for the British of Boer forces in South Africa.
Aug 10, 2020 · 1903. February 15: The first teddy bear is invented. June 11: King Alexander I of Serbia and his wife Queen Draga are assassinated in a military coup. July 1: The first Tour de France is held. July – August: In Russia the Bolsheviks and the Mensheviks form from the breakup of the Russian Social Democratic Labor Party. August 4: Pius X becomes Pope.