In 1680 the French social critic Marquise de Sevigne made the first mention of adding this to tea
[DOC] [TLE] Marie de Rabutin-Chantal, marquise de Svign - Wikipedia [PAR] Marie de Rabutin-Chantal, marquise de Svign (5 February 1626  17 April 
1696) was a French aristocrat, remembered for her letter-writing.