Worldwide
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1920s
1921 AdTommy Milton wins the Indianapolis 500 auto race using pistons made with Dowmetal magnesium.

Dow Diamond registered in U.S. Patent Office.
1922 Dow introduces record number of new products, including ethylene dibromide for use in ethyl gasoline.
1925 Dow granted patent for new calcium chloride flake.

Dow Gardens in Midland created.
1928 Styrene and Saran developed.
1929 Sylvia StoesserDow hires its first woman researcher, Sylvia Stoesser.

Around the World

1922
King Tut's tomb discovered.

1927
Charles Lindbergh makes the first solo transatlantic flight from New York to Paris.

1928
Penicillin discovered.