Born on this day in 1986, Usain Bolt is a Jamaican retired sprinter, widely considered to be the greatest sprinter of all time.

Did you know that:

• John Hampton patented Venetian blinds on this day in 1841
• The first practical adding & listing machine (calculator) was patented by William Burroughs on this day in 1888
• Walt Disney’s animated movie “Bambi”, based on the book by Felix Salten, was released on this day in 1942