4th millennium
The fourth millennium is the next millennium in the anno Domini or Common Era of the Gregorian calendar. It will begin on January 1, 3001, and end on December 31, 4000.Predicted/scheduled events
Predicted
- 3797: Nostradamus' final alleged prophecy places the definitive end of the world in 3797.
Extrapolations
- 3000: Sea level was predicted to rise by between by the year 3000, in a 2012 study.
- 3015: A camera placed by Jonathon Keats will finish its exposure time after its placement at the ASU Art Museum in Tempe, Arizona, in 2015.
- 3117: Minimum time by which, according to physicist Andrew Kennedy, humanity can expect to have reached Barnard's Star, assuming an annual economic growth rate of 1.4% from 2007.
- 3183: The Time Pyramid, a public art work at Wemding, Germany, is scheduled for completion.
Astronomical events
- 3000: Due to axial precession, γ Cephei will replace the previous target, Polaris, as Earth's northern pole star.
- December 18, 3089: First transit of Venus which is not part of a pair since November 23, 1396.
- December 20, 3332: Transit of Venus.
- 3412: Expected return of Comet McNaught–Russell.
- 3711/12: Multi-triple conjunction between Jupiter, Saturn, Uranus and Neptune.
- The expected return of Comet Donati.
In fiction
