Births on September 21

Phyllis Nicolson

Born on September 21, 1917

Phyllis Nicolson, English mathematician and academic (d. 1968)

Phyllis Nicolson (21 September 1917 – 6 October 1968) was a British mathematician and physicist best known for her work on the Crank–Nicolson method together with John Crank.

References

Phyllis Nicolson

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Events on 1917

22 Jan

Woodrow Wilson
World War I: President Woodrow Wilson of the still-neutral United States calls for "peace without victory" in Europe.
15 Mar

Nicholas II of Russia
Tsar Nicholas II of Russia abdicates the Russian throne ending the 304-year Romanov dynasty.
2 Apr

Woodrow Wilson
World War I: United States President Woodrow Wilson asks the U.S. Congress for a declaration of war on Germany.
5 Jun

Conscription
World War I: Conscription begins in the United States as "Army registration day".
27 Jul

Battle of Passchendaele
The Allies reach the Yser Canal at the Battle of Passchendaele.

Births on September 21

Phyllis Nicolson

Born on September 21, 1917

References

Choose Another Date

Events on 1917

Woodrow Wilson

Nicholas II of Russia

Woodrow Wilson

Conscription

Battle of Passchendaele