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1902. January 13: The unification of Saudi Arabia begins. May 20: Cuba given independence by the United States. May 31: Second Boer War ends in British victory. July 12: Arthur Balfour becomes Prime Minister of the United Kingdom. July 17: Willis Carrier invents the first modern electrical air conditioning unit.
- Key events of the 20th century - Wikipedia
External links. Key events of the 20th century. The 20th...
- 20th century - Wikipedia
The 20th century began on 1 January 1901 (MCMI), and ended...
- List of decades, centuries, and millennia - Wikipedia
20th century: 1900s: 1910s: 1920s: 1930s: 1940s: 1950s:...
- Timeline of the 21st century - Wikipedia
January 15: Wikipedia is launched. January 20: President...
- 20th century - Simple English Wikipedia, the free encyclopedia
The 20th century began on January 1, 1901 and ended on...
- Key events 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.