الألفية الرابعة

الألفيات:	الألفية 3 الألفية 4 الألفية 5
القرون:	القرن 31 القرن 32 القرن 33 القرن 34 القرن 35 القرن 36 القرن 37 القرن 38 القرن 39 القرن 40

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

 Extrapolations

• 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.
• 3183: The Time Pyramid, a public art work at Wemding, Germany, is scheduled for completion.

 Astronomical events

• c.3000: Due to axial precession, γ Cephei will replace the previous target, Polaris (α Ursae Minoris), as Earth's northern pole star (the next naked eye North star will be ι Cephei, c.5200).
• 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.