November 21: on this day in history
A few events that happened on November 21. You do not need to know them all; curiosity is enough.
Historical events
- 1676Danish astronomer Ole Rømer presented his first measurements of the speed of light to the scientific community.
- 1905Albert Einstein's paper leading to his famous equation E = mc² was published.
- 1953Scientists announced that the famous fossil skull known as Piltdown Man was a hoax.
- 1969The first permanent connection between two computers was established on ARPANET, considered the forerunner of the internet.
Try today's game
A little discovery every day: find hidden words, guess a year, and connect historical events.
Play Tarihle