4月30に何が起こった?
すべて
出来事
誕生
死去
祝日
4月30 の出来事
4月30日に起こった、世界を形作った重要な歴史的出来事を探ってみましょう。
J. J. Thomson
年:
1897
J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
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Hawaii
年:
1900
Hawaii becomes a territory of the United States, with Sanford B. Dole as governor.
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Governor of New York
年:
1885
Governor of New York David B. Hill signs legislation creating the Niagara Reservation, New York's first state park, ensuring that Niagara Falls will not be devoted solely to industrial and commercial use.
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American Civil War
年:
1864
American Civil War: Confederate forces led by General E. Kirby Smith attack federal troops retreating across the Saline at Jenkins' Ferry, Arkansas.
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Albert Einstein
年:
1905
Albert Einstein completes his doctoral thesis at the University of Zurich.
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4月30 の誕生日
4月30日に生まれた有名人や歴史上の人物を紹介します。
Frederick Chiluba
生年:
1943
Frederick Chiluba, Zambian politician, 2nd President of Zambia (died 2011)
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4月30 の忌日
4月30日に亡くなった著名な人物と、その功績を振り返ります。
Jean-Frédéric Waldeck
没年:
1875
Jean-Frédéric Waldeck, French explorer, lithographer, and cartographer (born 1766)
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4月30 の祝日
4月30日に世界各地で行われる祝日や記念日をご覧ください。
April 30 (Eastern Orthodox liturgics)
Christian feast day: April 30 (Eastern Orthodox liturgics)
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Beltane
May Eve, the eve of the first day of summer in the Northern hemisphere (see May 1): Beltane begins at sunset in the Northern hemisphere, Samhain begins at sunset in the Southern hemisphere. (Neo-Druidic Wheel of the Year)
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