Discovery of DDT

Basel, Switzerland

1939-discovery-of-ddt.jpgSwiss chemist Peter Hermann Müller discovers the insecticidal application of DDT to control insect-borne diseases such as malaria and yellow fever. This marks the beginning of agriculture’s heavy use of chemical pesticides.

World Population : 170,060,000

Key:   1,000,000 People    1,000,000 People (Annotated)    Milestone

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