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Ad for Bayer aspirin depicting different conditions it can treat. Includes a graphic of a man offering pills to a seated woman.
Advertisement of Bayer's aspirin (1926).

Bayer, the producer of aspirin, forms a pharmaceutical division in Germany.

Date: 1890

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Advertisement of Bayer's aspirin (1926).

Bayer, a German dye company, forms a new pharmaceutical division. In 1899, Bayer will expand to mass-produce a newly-discovered extract of willow bark called "aspirin." Willow bark has been used as a traditional medicine for more than 3,500 years before Bayer patents it.