Wikipedia:Main Page history/2023 December 27

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From today's featured article  Niels Bohr (1885–1962) was a Danish physicist who created the first widely accepted model of atomic structure. In three articles published in 1913, he proposed the Bohr model of the atom. Faced with the opposing particle and wave interpretations of atomic phenomena in the new quantum mechanics, he proposed the complementarity principle of using both interpretations to fully explain the results. Bohr received the Nobel Prize in Physics in 1922. He founded the Institute of Theoretical Physics in Copenhagen, now known as the Niels Bohr Institute. He correctly predicted the properties of an undiscovered element, hafnium. Later, the element bohrium was named after him. During the 1930s, Bohr helped refugees from Nazism and in September 1943 fled to Britain to avoid arrest by the Germans. There he joined the Tube Alloys nuclear weapons project, and later the Manhattan Project. After the war, he was involved with the establishment of CERN. (Full article...)

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Ongoing:  Recent deaths&#58;   On this day December 27  Japanese aircraft carrier Hōshō <templatestyles src="Hlist/styles.css"> <ul><li>Bertha of Savoy ( d. 1087)</li><li>Anne de Mortimer  ( b. 1388)</li><li>Shahid Khaqan Abbasi  ( b. 1958)</li><li>Hayley Williams  ( b. 1988)</li></ul> More anniversaries: <templatestyles src="Hlist/styles.css"/> <templatestyles src="Hlist/styles.css"/>
 * A mass shooting in Prague, Czech Republic, leaves 15 people dead.
 * Pope Francis (pictured) approves a declaration that allows Catholic clergy to bless same-sex couples.
 * After weeks of earthquakes, a volcanic eruption occurs near Grindavík, Iceland.
 * An earthquake in Jishishan County, China, leaves more than 140 people dead.
 * In the parliamentary election, the Serbian Progressive Party regains its parliamentary majority in the National Assembly.
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 * 1521 – A period of unrest in Wittenberg following the arrival of three men of the Radical Reformation, known as the Zwickau prophets, was quelled after Martin Luther's release from custody.
 * 1657 – Citizens of New Netherland presented the Flushing Remonstrance to Peter Stuyvesant, the director general of the colonial province, requesting an exemption to his ban on Quaker worship.
 * 1922 – The Imperial Japanese Navy commissioned Hōshō (pictured), the world's first purpose-built aircraft carrier.
 * 2002 – The human-cloning company Clonaid claimed to have performed the first reproductive cloning of a human, but provided no evidence for the claim.
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<h2 id="mp-tfp-h2" class="mp-h2">Today's featured picture <h2 id="mp-other" class="mp-h2">Other areas of Wikipedia <h2 id="mp-sister" class="mp-h2">Wikipedia's sister projects <templatestyles src="Wikipedia's sister projects/styles.css" /> Wikipedia is written by volunteer editors and hosted by the Wikimedia Foundation, a non-profit organization that also hosts a range of other volunteer projects:
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