OStranenie6

Events

DDT first synthesized

Approx. 1874

DDT's effects as an insecticide are demonstrated

1939

Large amounts of DDT used in WWII

1940 - 1945

Public use of DDT starts

1946

'Silent Spring' is published, demonstrating effects of DDT

1962

DDT banned for agricultural use in the USA

1972

DDT banned in Australia

1987

DDT banned worldwide except for malarial use at the Stockholm Convention

2001