1 janv. 1880 - Medial Technologies
Description:
By the time the British in India and the Dutch in Java began commercially planting cinchona trees in the 1880s to create a reliable supply of the bark, its active ingredient, quinine powder, had become crucial to the health of European colonizers wherever malaria existedAjouté au bande de temps:
Date:
1 janv. 1880
Maintenaint
~ Il y a 145 ans