Today marks the 15th anniversary of one of the most important and well know domain names. YouTube.com was registered 2/15/05 according to whois. Technically it was activated on February 14, 2005 with video upload options being integrated on April 23, 2005.
The first YouTube video, titled Me at the zoo, was uploaded on April 23, 2005, and shows co-founder Jawed Karim at the San Diego Zoo.
Of course Google acquired YouTube.com in October of 2006
Happy Birthday Youtube! Impressive how the founder was able to scale it so fast that he was able to sell it to Google after just one year!