Two French chemists (1 Jan 1820 Jahr – 1 Jan 1840 Jahr)
Beschreibung:
 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 stands 
Zugefügt zum Band der Zeit:
Datum:
1 Jan 1820 Jahr
1 Jan 1840 Jahr
 ~ 20 years