May 20 in Victorian History
What the Victorians were up to on this date, year by remarkable year.
1873
Blue jeans are patented
In San Francisco, Levi Strauss and Jacob Davis receive US patent 139,121 for work trousers riveted at the points of strain. Made of denim and built for miners, the waist overalls will become blue jeans. The most democratic garment in history starts as workwear.