Births on April 20

Prince Erik, Duke of Västmanland

Born on April 20, 1889

Prince Erik, Duke of Västmanland (d. 1918)

Prince Erik, Duke of Västmanland (Erik Gustav Ludvig Albert; 20 April 1889 – 20 September 1918) was a Swedish and Norwegian prince. He was the third and youngest son of King Gustav V of Sweden and Victoria of Baden. In 1904, Prince Erik was appointed a Knight of the Norwegian Lion by his paternal grandfather, King Oscar II.

References

Prince Erik, Duke of Västmanland

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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 20

Prince Erik, Duke of Västmanland

Born on April 20, 1889

References

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Events on 1889

Punched card

Mayerling Incident

Mirza Ghulam Ahmad

Treaty of Wuchale

Exposition Universelle (1889)