The 20th century of the Common Era began on January 1, 1901 and ended on December 31, 2000, according to the Gregorian calendar. The century saw a remarkable shift in the way that vast numbers of people lived as a result of technological, medical, social, ideological, and political innovation. Terms like ideology, world war, genocide, and nuclear war entered common usage....
Start date:
- Jan 1, 1901
End date:
- Dec 31, 2000
Start:
- Jan 1, 1901
End:
- Dec 31, 2000