3rd millennium
current millennium, spanning the years 2001 to 3000

The third millennium of the Anno Domini or Common Era is the current millennium spanning the years 2001 to 3000. It began on January 1, 2001 (MMI) and will end on December 31, 3000 (MMM), (21st to 30th centuries; in astronomy: JD 2451910.5 – 2817151.5).
Ongoing futures studies seek to understand what will likely continue and what could plausibly change in this period and beyond.
Predictions and forecasts not included on this timeline
21st century
2000s
2010s
2020s
2030s
2040s
2040: End year of the Baku City Master Plan implementation.
2041:
The Antarctic treaty is scheduled to come under review.
2042:
17 September: a common computing representation of date and time on IBM mainframe systems will overflow with potential results similar to the year 2000 problem.
2045: On 31 December, Gates Foundation is scheduled to cease operations, as announced by Bill Gates in 2025.
2047: On 1 July, the "one country, two systems" principle's guarantee in Hong Kong is scheduled to end, as it was guaranteed for 50 years starting from 1 July 1997, provided under the Hong Kong Basic Law. The agreement was raised by Deng Xiaoping to deal with Hong Kong's reunification with the People's Republic of China in 1997, and stipulated in the Sino-British Joint Declaration of 1984. However, in February 2024, Xia Baolong, the head of the Hong Kong and Macau Affairs Office, said that the system would be kept permanently.
The public source identifies “3rd millennium” as current millennium, spanning the years 2001 to 3000. This brief keeps that definition visible, then builds a research path around millennium, current and spanning.
Why this record matters
A short description can identify a subject without explaining its stakes. For “3rd millennium”, the useful work is to connect “current millennium, spanning the years 2001 to 3000” to the records capable of establishing context and consequence.
Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Sep 23, 2026. The linked authority identifier is Q26224. The first chronological checks are 2001, 2040, 2041 and 2042.
Overview language is designed for orientation and should not be treated as a substitute for the evidence cited beneath it. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
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This entry incorporates text from “3rd millennium” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.