09 January, 1768 – Philip Astley opens the world's first modern circus

The British equestrian, who is considered the father of modern circus, opened a riding school in London where he also performed tricks for an audience in the afternoons.

10 January, 1929 – The first Adventures of Tintin comic book is published

Herge's books became hugely popular in Europe and the rest of the world.

11 January, 1985 – The first Rock in Rio music festival is held

A whopping 1.5 million people attended, making it the world's largest music festival.

12 January, 1967 – James Bedford is frozen with intent of future resuscitation

Bedford was the first human to be cryonically preserved; his body awaits resuscitation in Scottsdale, Arizona.

13 January, 1968 – Johnny Cash performs live at Folsom State Prison

The album Johnny Cash at Folsom Prison became a huge success.

14 January, 1967 – The Summer of Love is launched

San Francisco was the epicenter of the Hippie Revolution, which soon influenced cultures around the world.

15 January, 2001 – Wikipedia goes online

The online encyclopedia has since become the largest reference work on the internet.