Millenarianism, the belief by a group in a coming major transformation of society after which all things will be changed

A millennium is a period of 1000 years. Millennium may also refer to:

Year 2000 problem also known as the millennium bug, also known as Y2k

Millennium (Earth, Wind & Fire album), a 1993 album by Earth, Wind & Fire

Millennium (TV series), a late-nineties television series by The X-Files creator Chris Carter

Millennium Items, magical relics in the anime and manga series Yu-Gi-Oh!

Millennialism, describing the 1000-year reign of Christ

Millennium Stadium in Cardiff, Wales

Great Jubilee, the celebration of the year 2000 in the Roman Catholic Church

Windows Me, Windows Millennium Edition, an operating system

Millennia: Altered Destinies, a PC game created by Take 2 Interactive in 1995.

Operation Millennium, the first air raid in the Bombing of Cologne in World War II

Millennium (Hellsing), a fictional group of Nazis from the manga series Hellsing

The Millennium Summit, a meeting among several leaders from September 6 to September 8 2000

Millennium (film), a 1989 film based on the novel

Millennium (Backstreet Boys album), a 1999 album by The Backstreet Boys

Millennium Falcon, a fictional starship from the Star Wars films

"Millennium Force," a roller coaster in the Cedar Point park

Millennium train, an electric train run by CityRail in Sydney

"Millennium" (song), a 1998 song by Robbie Williams from the album I've Been Expecting You

Millennium Technology Prize, Finland's recognition for innovators that aim to improve quality of life and raise its profile as a high-tech country

Tau Boötis Ab, dubbed the "Millennium Planet"

Millennium (novel), a 1983 science fiction novel by John Varley

The Millennium Development Goals, a compact among nations to end human poverty

The 7 Millennium Prize Problems

Millennium (comics), a series produced by DC Comics

Millennium BCP, a private bank in Portugal

Millennium Magic, a UK Rugby League event

Millennium stamp, a postage stamp issued to celebrate the beginning of the 3rd millennium, or to commemorate a millennium associated with a country's history

Millennium simulation, an astrophysical simulation

Millennium (Front Line Assembly album), a 1994 album by Front Line Assembly

The Millennium, a 1960s band led by Curt Boettcher

A 1994 song by Killing Joke from the album Pandemonium

Vennaskond. Millennium, a 1998 film based on the history of Vennaskond

Millennium (ship), a cruise ship

White House Millennium Council (United States)

Millennium 2.2, a resource management game for Atari ST, Amiga and the PC

"Millennium" (Front Line Assembly song), a single from the album

Millennium Kids, an international youth empowerment environmental organization

Millennium Tower, the name of a number of buildings around the world

Millennium Chemicals, a subsidiary of Lyondell Chemical Company

Millennium High School (disambiguation), several US high schools

Millennium Interactive Ltd, a former games company based in Cambridge, England

Millennium (publisher), an imprint of UK publisher Orion Books

Millennium: Tribal Wisdom and the Modern World, a book by anthropologist David Maybury-Lewis and a companion to the television series aired on PBS

Millennium Pharmaceuticals, a biopharmaceutical company in Cambridge, MA

Millennium Park (disambiguation), a few parks in North America

Millennium Records, a record label