On the 6th March 1869, Russian chemist Dmitri Mendeleev presented his periodic table to the Russian Chemical Society.
10th December 1768: First edition of the Encyclopaedia @Britannica published (Corrected)
10th December 2017
Thomas Midgeley Jr. discovered that adding tetraethyl lead to gasoline reduced knocking in automobile engines.
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.
The DuPont company’s organic chemist Wallace Carothers received a patent for linear condensation polymers, the basis of the material better known as nylon.
25th September 1956: Inauguration TAT-1, the first transatlantic telephone cable
25th September 2017
18th March 1314: Execution of last Knights Templar Grand Master
18th March 2019
16th March 1968: My Lai Massacre committed by US troops
16th March 2019
11th November 1918: WW1 Armistice of Compiègne is signed
11th November 2018
9th November 1989: East Germany opens the Berlin Wall
9th November 2017