Gwen Stefani's 'Hollaback Girl' was the most downloaded song of the year. It was downloaded more than 1.7 million times.
Apple's first iPod was released on October 23, 2001.
The e-commerce corporation ebay began in 1995. It was originally called AuctionWeb.
The World Wide Web was born on August 1, 1991.
Barney Clark received the world's first permanent artificial heart, invented by Robert Jarvik, MD.
The world's first CD player, the Sony CDP-101 was released on October 1, 1982, in Japan. It sold for US$730 at the time.
The arcade game Pac-Man was first released in Japan in May 1980.
The Post-it Note was first introduced to the public in 1980.
See also: Travel back in time with these fun facts about the 90s
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Browse through the gallery to remember some of the most notable events, facts, and accomplishments of the 1980's, 1990's, and early 2000's.