Wikipedia:Selected anniversaries/October 30
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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October 30: Mischief Night in some areas of the United States; Thevar Jayanthi in Tamil Nadu, India
- 1226 – Tran Thu Do, head of the Tran clan of Vietnam, forced Ly Hue Tong, the last emperor of the Ly dynasty, to commit suicide.
- 1863 – Seventeen-year old Danish Prince Vilhelm arrived in Athens to become George I (pictured), King of Greece.
- 1960 – Surgeon and scientist Michael Woodruff performed the first successful kidney transplant in the United Kingdom at the Edinburgh Royal Infirmary.
- 1961 – The Soviet hydrogen bomb Tsar Bomba was detonated over Novaya Zemlya Island in the Arctic Sea as a test. With a yield of around 50 megatons, it was the largest nuclear weapon ever detonated to date.
- 1991 – The Madrid Conference, an early attempt by the international community to start a peace process through negotiations involving Israel and the Arab countries, convened in Madrid, Spain.
- 1995 – In a referendum, the province of Quebec voted by a very narrow margin of 50.58 percent in favour of remaining a part of Canada.