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dec 9, 1921 - Leaded gasoline discovered

Description:

Thomas Midgley of General Motors discovers tetraethyl lead as an anti-knock gasoline additive. Despite strong private warnings about its danger

Added to timeline:

Health and Wellness

Bychyelle Jiazten milgrom

9 Nov 2019

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Date:

dec 9, 1921

Now

~ 104 years ago

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