This is a list of selected October 30 anniversaries that appear in the "On this day" section of the Main Page. To suggest a new item, in most cases, you can be bold and edit this page. Please read the selected anniversaries guidelines before making your edit. However, if your addition might be controversial or on a day that is or will soon be on the Main Page, please post your suggestion on the talk page instead.
Please note that the events listed on the Main Page are chosen based more on relative article quality and to maintain a mix of topics, not based solely on how important or significant their subjects are. Only four to five events are posted at a time and thus not everything that is "most important and significant" can be listed. In addition, an event is generally not posted this year if it is also the subject of the scheduled featured article or picture of the day.
To report an error when this appears on the Main Page, see Main Page errors. Please remember that this list defers to the supporting articles, so it is best to achieve consensus and make any necessary changes there first.
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Blurb | Reason |
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Thevar Jayanthi in Tamil Nadu, India; | multiple issues |
1270 – An agreement between Charles I of Naples, King of Sicily, and Muhammad I al-Mustansir, ruler of the Hafsid dynasty in Ifriqiya, ended the Eighth Crusade and opened up free trade between the Christians and Tunis. | refimprove section |
1226 – Trần Thủ Độ, head of the Trần clan of Vietnam, forced Lý Huệ Tông, the last emperor of the Lý dynasty, to commit suicide. | date not certain (see Talk:Trần Thủ Độ) |
1905 – Russian Revolution: Tsar Nicholas II reluctantly signed the October Manifesto, establishing the State Duma as the elected legislature in the Russian Empire. | unreferenced section |
1942 – Second World War: British sailors boarded German submarine U-559 as it was sinking and retrieved cryptographic materials that proved crucial to breaking the Enigma code. | unreferenced section |
1947 – The General Agreement on Tariffs and Trade, the precursor to the World Trade Organization, was signed by 23 nations to reduce tariffs and other trade barriers. | refimprove, summarize section |
1961 – The Soviet hydrogen bomb Tsar Bomba, the largest nuclear weapon ever detonated, was set off over Novaya Zemlya in the Arctic Ocean as a test. | unreferenced section |
1973 – Istanbul's 1,510-metre (4,950 ft) long Bosphorus Bridge was completed, connecting the continents of Europe and Asia over the Bosphorus Strait. | refimprove |
1974 – In one of boxing's most famous fights, Muhammad Ali knocked out George Foreman at The Rumble in the Jungle in Kinshasa, Zaire. | refimprove |
1995 – In a referendum, 50.58 percent of voters supported the province of Quebec remaining a part of Canada, narrowly averting a potential claim of Quebec sovereignty. | refimprove section |
1997 – Nineteen-year-old British au pair Louise Woodward was convicted of the involuntary manslaughter of eight-month-old Matthew Eappen in Newton, Massachusetts. | refimprove |
2015 – Improper usage of indoor pyrotechnics caused a nightclub fire in Bucharest that killed 64 and injured another 147. | section needs to be summarized |
Angelica Kauffman (b. 1741) · Ignace Bourget (b. 1799) · Gustav Ludwig Hertz (d. 1975)