The first YouTube video is 19 seconds long and filmed by an elephant enclosure.
On 23 April 2005 co-founder Jawed Karim stood at San Diego Zoo and remarked on how long the elephants' trunks were.
More amazing facts
- 1999 In 1999 NASA lost a Mars probe over pounds and newtons.
- 1999 Bhutan is thought to be the last country in the world to get television, which arrived only in 1999.
- 2002 Australia's first Winter Olympic gold went to the man in last place.
- 2010 In the Burj Khalifa the sun sets at different times on different floors.
- 2012 The deep-learning revolution ran on two gaming graphics cards.
- 2012 In February 2012 Russian scientists drilled through 3,768 metres of ice to reach Lake Vostok beneath Antarctica.