Births on April 21

Paul Karrer

Born on April 21, 1889

Paul Karrer, Russian-Swiss chemist and academic, Nobel Prize laureate (d. 1971)

Professor Paul Karrer FRS FRSE FCS (21 April 1889 – 18 June 1971) was a Swiss organic chemist best known for his research on vitamins. He and Norman Haworth won the Nobel Prize for Chemistry in 1937.

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Events on 1889

8 Jan

Punched card
Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
30 Jan

Mayerling Incident
Archduke Crown Prince Rudolf of Austria, heir to the Austro-Hungarian crown, is found dead with his mistress Baroness Mary Vetsera in the Mayerling.
23 Mar

Mirza Ghulam Ahmad
The Ahmadiyya Muslim Community is established by Mirza Ghulam Ahmad in Qadian, British India.
2 May

Treaty of Wuchale
Menelik II, Emperor of Ethiopia, signs the Treaty of Wuchale, giving Italy control over Eritrea.
6 May

Exposition Universelle (1889)
The Eiffel Tower is officially opened to the public at the Universal Exposition in Paris.

Births on April 21

Paul Karrer

Born on April 21, 1889

References

Choose Another Date

Events on 1889

Punched card

Mayerling Incident

Mirza Ghulam Ahmad

Treaty of Wuchale

Exposition Universelle (1889)