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
Ancient sources state that the Emperor Claudius as poisoned, although who administered the poison – and on whose orders – continues to be fiercely debated by scholars.
On the 13th October AD 54, the Roman Emperor Claudius died, supposedly after being poisoned.
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