The first U.S. patent was awarded to Samuel Hopkins for an improvement ‘in making Pot ash and Pearl ash by a new Apparatus and Process.’
21st June 1919: The German High Seas naval fleet is scuttled at Scapa Flow
21st June 2019
The first U.S. patent was awarded to Samuel Hopkins for an improvement ‘in making Pot ash and Pearl ash by a new Apparatus and Process.’
28th June 2015
11th November 2022
11th November 2022
1st September 2018