In the first decades of the twentieth century, African Americans left, in greater and greater numbers, the southern states where they had been subject to economic abuses and outright intimidation. The Great Migration, in which about half a million African Americans moved to the urban North from the rural South, began about 1905 and ended around 1930.

20-07-2009 · This century witnessed two world wars, the Great Depression of the 1930s, the Holocaust in Europe, the Cold War, revolutionary social equality movements, and the exploration of space. Follow the changes in this decade-by-decade timeline of the 20th century. The 1900s Ann Ronan Pictures/Print Collector/Getty Images

American History Timeline 1901 – President William McKinley is assassinated 1901 – Theodore Roosevelt becomes President 1903 – Wright Brothers make their first flight 1905 – United States negotiates Treaty of Portsmouth 1907 – Oklahoma becomes the 46th state 1908 – Howard Taft becomes the new President 1912 – New Mexico becomes the 47th state

24-01-2020 · 1906 William Kellogg invents Cornflakes. Lewis Nixon invents the first sonar -like device. Lee Deforest invents electronic amplifying tube (triode). 1907 Leo Baekeland invents the first synthetic plastic called Bakelite. Color photography invented by Auguste and Louis Lumiere. The very first piloted helicopter was invented by Paul Cornu. 1908

04-06-2015 · Here's my list of 150 key moments and events of the 20th Century: 1900 International Ladies' Garment Workers Union founded. 1901 New York State passes a landmark Tenement House Act. Socialist Party founded. 1903 W. E. B Du Bois's The Souls of Black Folk published. National Women's Trade Union League founded. 1905

20th Century America - Learn about Important events in 20th Century America such as the Civil Rights Movement, WW1, WW2, Cold War, Nuclear Arms and Space Race. See an Overview of 20th Century America, Interesting Facts, Images, Books and Film of American in the 2Oth century.