Two French chemists (jan 1, 1820 – jan 1, 1840)
Description:
In 1820, two french chemists, Pierre Pelletier and Joesph Caventou, extracted the alkaloid of quinine from cinchona bark, and by the 1840s European colonizers kept quinine pills by their bed standsAdded to timeline:
Date:
jan 1, 1820
jan 1, 1840
~ 20 years