Births on May 21

Sandy Douglas

Born on May 21, 1921

Sandy Douglas, English computer scientist and academic, designed OXO (d. 2010)

Alexander Shafto "Sandy" Douglas CBE (21 May 1921 – 29 April 2010) was a British professor of computer science, credited with creating the first graphical computer game OXO, a Noughts and Crosses computer game in 1952 on the EDSAC computer at University of Cambridge.

References

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Events on 1921

15 Feb

Helsinki
Kingdom of Romania establishes its legation in Helsinki.
20 Mar

Versailles Treaty
The Upper Silesia plebiscite was a plebiscite mandated by the Versailles Treaty to determine a section of the border between Weimar Germany and Poland.
11 Jul

William Howard Taft
Former President of the United States William Howard Taft is sworn in as 10th Chief Justice of the U.S. Supreme Court, becoming the only person ever to hold both offices.
29 Oct

Sacco and Vanzetti
United States: Second trial of Sacco and Vanzetti in Boston, Massachusetts.
11 Nov

Arlington National Cemetery
The Tomb of the Unknowns is dedicated by US President Warren G. Harding at Arlington National Cemetery.

Births on May 21

Sandy Douglas

Born on May 21, 1921

References

Choose Another Date

Events on 1921

Helsinki

Versailles Treaty

William Howard Taft

Sacco and Vanzetti

Arlington National Cemetery