MTV launched on Aug. 1, 1981.

1983

Michael Jackson debuts his now-iconic “Thriller” music video.

1993

The musicians of Nirvana give one of their last televised performances with Kurt Corbain onMTV Unplugged.

1981

Everett Collection

Bill Clinton answers the boxers or briefs question during the Rock the Vote forum.

2000

Jackasspremieres, opening the door to prank and stunt comedy for years to come.

2002

The Osbournespremieres, inspiring many celebrity reality series to follow.

1983

Everett Collection

Madonna and Britney Spears (and Christina Aguilera!)

kiss during a performance at the VMAs.

In the height ofMTV Cribs, Mariah Carey opens her doors for a bizarre tour of her abode.

1984

Ebet Roberts/Redferns

2005

Ryan Gosling and Rachel McAdam recreate their award-winning smooch fromThe Notebookat the MTV Movie Awards.

After four years,The Hillsairs its final episode, dropping the curtain on the reality series.

2013

Robin Thicke twerks with Miley Cyrus during a performance at the VMAs.

1993

Frank Micelotta/ImageDirect

1994

MTV

1994

Lester Cohen/WireImage

1998

Frank Micelotta/ImageDirect

2000

Paramount/Getty Images

That time he cried over his dogs

MTV

2002

MTV/Courtesy Everett Collection

GALLERY: Britney Spears Through the Years: GettyImages-77064197.jpg Britney Spears and Madonna August 28, 2003 2003 MTV Video Music Awards - Show

Chris Polk/FilmMagic

2002

MTV

Rachel McAdams and Ryan Gosling’s ‘Best Kiss’ Win

J. Shearer/WireImage

2007

MTV

2009

MTV

Kanye West and Taylor Swift at the 2009 MTV VMAs

Kanye West and Taylor Swift at the 2009 MTV VMAs.Christopher Polk/Getty Images

Lady Gaga Wears a Meat Dress, 2010 VMAs

Frederick M. Brown/Getty Images

2010

MTV

Beyonce’s Baby Bump Reveal (2011 MTV Video Music Awards)

Kristian Dowling/PictureGroup

2012

MTV

Robin Thicke Twerks with Miley Cyrus, 2013 VMAs

Jeff Kravitz/FilmMagic