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1920s

1920

— 19th Amendment gives women the right to vote.


1921

— Work completed on new Engineering (now McLaury) Building.
1921


1922

(February 25) M Club formed at School of Mines.
1922 M Club


1923

— Museum of Geology open for summer visitors.
1923

Rapid Tech student newspaper and Black Hills Engineer begin publication.


1924

— South Dakota State Cement Plant completed in Rapid City.


1925

— Darwin's theory of evolution outlawed in Tennessee.


1926

— Height of Klu Klux Klan activity in the U.S.


1927

(May) Charles Lindbergh makes solo nonstop airplane flight over the Atlantic.

— President Coolidge makes the Black Hills his "summer White House."

— Mount Rushmore groundbreaking.
1927 Mt Rushmore


1928

(April 27) Cornerstone laid for School of Mines gymnasium.
1928 Gym Cornerstone


1929

— Stock market crash.

— Gymnasium completed.
1929 Gym



Next: the 1930s