Births on December 21

Käte Fenchel

Born on December 21, 1905

Käte Fenchel, German mathematician (d. 1983)

Käte Fenchel née Käte Sperling (21 December 1905 – 19 December 1983) was a German-born Jewish mathematician, best known for her work on non-abelian groups.

References

Käte Fenchel

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Events on 1905

27 May

Battle of Tsushima
Russo-Japanese War: The Battle of Tsushima begins.
28 May

Battle of Tsushima
Russo-Japanese War: The Battle of Tsushima ends with the destruction of the Russian Baltic Fleet by Admiral Tōgō Heihachirō and the Imperial Japanese Navy.
26 Sep

Special theory of relativity
Albert Einstein publishes his first paper on the special theory of relativity.
26 Oct

Norway
Sweden accepts the independence of Norway.
30 Oct

Nicholas II of Russia
Czar Nicholas II of Russia issues the October Manifesto, granting the Russian peoples basic civil liberties and the right to form a duma. This was October 17 in the Julian calendar.

Births on December 21

Käte Fenchel

Born on December 21, 1905

References

Choose Another Date

Events on 1905

Battle of Tsushima

Battle of Tsushima

Special theory of relativity

Norway

Nicholas II of Russia