4th July 1862: Charles Dodgson (aka Lewis Carroll) first tells the story of Alice in Wonderland

Charles Dodgson, better known as the author Lewis Carroll, told a story to the sisters Alice, Lorina and Edith Liddell that was to develop into Alice’s Adventures in Wonderland.

15th February 1946: ENIAC, the world’s first programmable general-purpose electronic digital computer, formally dedicated

ENIAC was soon put to use running calculations to help build a hydrogen bomb, and continued to operate until 1955.