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.
- Categories: Podcast
3rd May 1915: John McCrae composes the war poem ‘In Flanders Fields’
3rd May 2017
20th April 2018
20th April 1902: Marie and Pierre Curie prove the existence of radium
15th October 1923: Rentenmark introduced in Weimar Germany
15th October 2018
14th October 1962: U-2 spy plane captures images of Cuban missile sites
14th October 2018
13th October 54: Emperor Claudius dies in mysterious circumstances
13th October 2018
11th November 1918: WW1 Armistice of Compiègne is signed
11th November 2017
9th November 1989: East Germany opens the Berlin Wall
9th November 2017