3rd millennium

current millennium, spanning the years 2001 to 3000

The 3rd millennium began on January 1, 2001 and will end on December 31, 3000.

Previous millenium: 2nd millenium

Next millenium: 4th millenium

Events

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Many important things have already happened in the 3rd millennium. Social media became extremely popular and spread around the world. In 2019, the COVID-19 pandemic began; it eventually killed at least 7,057,132 people around the world.[1]

There have been wars in many countries in the 3rd millennium. These have included:[2]

Future predictions

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  • By 2070, 1 billion to 3 billion people could be living in extreme heat because of climate change.[3][4][5]
  • On March 22, 2285, Easter will occur on its earliest possible date for the first time since 1818.
  • 2400 will be the first century leap year since 2000.
  • On June 6, 2079, any computer software using unsigned 16-bit binary day counts will overflow if it has a starting date of January 1, 1900.
  • 2800 will be the second century leap year since 2000, and Earth will experience 241 lunar eclipses.[6]

Centuries and decades

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References

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  1. Mathieu, Edouard; Ritchie, Hannah; Rodés-Guirao, Lucas; Appel, Cameron; Giattino, Charlie; Hasell, Joe; Macdonald, Bobbie; Dattani, Saloni; Beltekian, Diana; Ortiz-Ospina, Esteban; Roser, Max (2020–2024). "Coronavirus Pandemic (COVID-19)". Our World in Data. Retrieved 1 April 2025.
  2. "21st Century Conflicts | Military History Books | Helion & Company". www.helion.co.uk. Retrieved 2025-04-20.[permanent dead link]
  3. "Climate change: More than 3bn could live in extreme heat by 2070". BBC News. 5 May 2020. Retrieved 6 May 2020.
  4. Lustgarten, Abrahm (23 July 2020). "The Great Climate Migration Has Begun". The New York Times. Retrieved 6 October 2020.
  5. Xu, Chi; Kohler, Timothy A.; Lenton, Timothy M.; Svenning, Jens-Christian; Scheffer, Marten (26 May 2020). "Future of the human climate niche". Proceedings of the National Academy of Sciences. 117 (21): 11350–11355. doi:10.1073/pnas.1910114117. ISSN 0027-8424. PMC 7260949. PMID 32366654.
  6. "Catalog of Lunar Eclipses: 2701 to 2800".