Marie and Pierre Curie proved the existence of the new element radium when they chemically isolated one-tenth of a gram of pure radium chloride.
21st June 1919: The German High Seas naval fleet is scuttled at Scapa Flow
21st June 2019
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
1st September 1939: Nazi Germany invades Poland
1st September 2018