After leaving politics in 1909, Teddy Roosevelt forms the Bull Moose Party to run—unsuccessfully—for a third term as president.

At a concert in 1971, Frank Sinatra announced his retirement with the line "'Scuse me while I disappear." Two years later he comes back with a TV special and album entitled Ol' Blue Eyes Is Back.

Elton John calls it quits on a 15-month retirement.

After quitting acting in 1993 to attend Vassar, Roseanne's Lecy Goranson reclaims the role of Becky—and shares it with her replacement, Sarah Chalke.

Marlon Brando, who retired from acting in 1980, returns for the first of eight more movies.

Michael Jordan ends two years of retirement, returning to the Chicago Bulls with a two-word statement: "I'm back." See also: 2001, when His Airness follows two more sunset years with a return to the Washington Wizards.

Five years after swearing off the movie business to cobble shoes in Italy, Daniel Day-Lewis stars in Gangs of New York.

Eminem's friends tell reporters he has quit rapping. A week later the star claims he was just taking a break.

Following a two-year sojourn as a preacher, DMX returns to hip-hop and releases Here We Go Again.

After a three-year farewell tour, Cher kicks off her "retirement" by announcing another studio album and tour.

Two years after stating he had given up acting, Quentin Tarantino casts himself in two roles in the Grindhouse double feature.

January 2008
Rapper Lupe Fiasco declares he'll quit following the release of his third album, L.U.P.End, but later admits he wasn't 100 percent sure—more like 85.

January 2008
After eight years of dancing in private, Tina Turner, 68, says she'll release a new album.

April 2008
Fourteen years after putting away the hair gel, New Kids on the Block reunite for a tour and an album.

June 2008
Two years after Chris Martin convinced fans Coldplay had chosen parenting over pop stardom, the band releases Viva la Vida.

July 2008
Eddie Murphy proclaims he's done his last movie. The next day he agrees to make Beverly Hills Cop 4.

August 2008
Following a tearful announcement in March, Brett Favre forces the Green Bay Packers to trade him to the New York Jets, where he is guaranteed field time.

September 2008
Lance Armstrong vows to ride out of a three-year retirement and into the next Tour de France.

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