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Home > 21st century


 Contents
( 20th century - 21st century - 22nd century - other centuries)

1 Definition

In calendars based on the Christian Era or Common Era, such as the Gregorian calendar, the 21st century is the current century, as of this writing, lasting from 2001- 2100. The 21st century is the first century of the 3rd millennium ( 2001 - 3000).

2 Important developments, events, achievements



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