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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.
- Timeline of the 20th century - Wikipedia
1902. January 13: The unification of Saudi Arabia begins....
- 20th century - Wikipedia
The 20th century began on 1 January 1901 (MCMI), and ended...
- 20th century - Simple English Wikipedia, the free encyclopedia
The 20th century began on January 1, 1901 and ended on...
- Timeline of the 20th century - Wikipedia
16 de jul. de 2019 · 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.
- Jennifer Rosenberg
2 de may. de 2022 · 20th Century Timeline. Following the 19th 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.
Siglo XX. Este artículo trata sobre un periodo de tiempo. Para otros usos, véase Siglo XX (desambiguación). La Segunda Guerra Mundial (1/9/1939-9/8/1945) fue el mayor conflicto de la historia de la humanidad e involucró a casi todos los países existentes en aquella época. Imperios coloniales en el año 1900.