Thomas Midgeley Jr. discovered that adding tetraethyl lead to gasoline reduced knocking in automobile engines.
21st June 1919: The German High Seas naval fleet is scuttled at Scapa Flow
21st June 2019
The crew of the Apollo 17 spacecraft took the iconic Blue Marble photograph of the earth.
South African surgeon Christiaan Barnard performed the world’s first human-to-human heart transplant.
Darwin’s book presented evidence for the process of natural selection, and its publication sparked a seismic shift in the study of science.
The Prospero satellite was launched, making it the first and only British satellite to be launched using a British rocket.
The first well-publicised public demonstration of inhaled ether anaesthesia was given at the Massachusetts General Hospital.
By the end of the competition Rocket was the only engine to complete the full course without suffering any damage, securing Stephenson the contract to manufacture locomotives for the Liverpool and Manchester Railway that opened the following year.
Fleming found that a petri dish containing staphylococci bacteria had been contaminated with an unidentified fungus. The bacteria around the fungus had been destroyed, whereas bacteria that were further away survived.
The Model T was enormously successful, and at one point half of all automobiles on the road were not just Ford cars but Model Ts.
The first edition of the National Geographic Magazine was published by the National Geographic Society.
HistoryPod Extra: The Myth of Gavrilo Princip’s Sandwich
28th June 2015
11th November 1918: WW1 Armistice of Compiègne is signed
11th November 2022
11th November 1918: WW1 Armistice of Compiègne is signed
11th November 2022
9th November 1989: East Germany opens the Berlin Wall
9th November 2019