Wikipedia:Selected anniversaries/June 30
This is a list of selected June 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, featured list 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.
Images
Use only ONE image at a time
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Ernst Röhm -
Albert Einstein, c. 1947 -
Henry II of France -
Tower Bridge, London -
Trees felled by the Tunguska explosion
Ineligible
| Independence Day in the Democratic Republic of the Congo (1960) | refimprove section |
| 1651 – Khmelnytsky Uprising: Ukrainian Cossacks and their Crimean Tatar allies were annihilated by a Polish–Lithuanian Commonwealth army in the Battle of Berestechko, probably the largest land battle in the 17th century. | appears on June 28 |
| 1758 – Seven Years' War: Austria defeated Prussia at the Battle of Domstadtl, forcing Frederick the Great to leave Moravia. | no footnotes |
| 1905 – The scientific journal Annalen der Physik published Albert Einstein's article "On the Electrodynamics of Moving Bodies", the third of his Annus Mirabilis papers, introducing the theory of special relativity. | refimprove section |
| 1972 – The International Time Bureau added the first leap second to the Coordinated Universal Time time scale. | refimprove section |
| 1987 – The Royal Canadian Mint introduced the Canadian one-dollar coin, commonly known as the loonie. | refimprove |
| 2007 – In an attempted terrorist attack, a car loaded with propane canisters was driven into the terminal of Scotland's Glasgow International Airport and set ablaze. | refimprove section |
| Margaret |b|1991 | TFA for 2021-02-23 |
Eligible
- 1559 – During a jousting match, King Henry II of France was mortally wounded when fragments of Gabriel Montgomery's lance pierced his eye.
- 1860 – Seven months after the publication of Charles Darwin's On the Origin of Species, several prominent British scientists and philosophers participated in an evolution debate at the Oxford University Museum.
- 1908 – A massive explosion occurred near the Podkamennaya Tunguska river in Siberia, flattening more than 2,150 square kilometres (830 sq mi) of forest.
- 1922 – The United States and the Dominican Republic signed an agreement that ended the former's occupation of the latter two years later.
- 1960 – The Belgian Congo gained independence from colonial rule, beginning a period of instability that led to the dictatorship of Joseph-Désiré Mobutu in 1965.
- 1963 – A car bomb intended for Mafia boss Salvatore Greco killed seven police and military officers near Palermo.
- 1966 – The National Organization for Women, one of the United States' leading feminist organizations, was founded in Washington, D.C.
- 1974 – Municipal workers in Baltimore, Maryland, went on strike seeking higher wages and better conditions.
- 1985 – Ryan White, a poster child for HIV/AIDS in the U.S., was denied re-admittance to his school, having developed it due to his treatments for hemophilia.
- Born/died: | Æthelred |d|888| William Oughtred |d|1660| John Quelch |d|1704| Frederick Bligh Bond |b|1864| María Luisa Dehesa Gómez Farías |b|1912|Eunice Eloisae Gibbs Allyn |d|1916| Eleanor Sophia Smith |d|1942| Terri Lynn Land |b|1958| Tony Fernández |b|1962| Nancy Mitford |d|1973| Chris Gragg |b|1990
Notes
- Alfred Russel Wallace appears on June 18, so 1860 Oxford evolution debate should not appear in the same year
- 1859 – French acrobat Charles Blondin crossed Niagara Gorge (pictured), making him one of the world's most famous tightrope walkers.
- 1894 – London's Tower Bridge, a combined bascule and suspension bridge over the River Thames, was inaugurated.
- 1934 – German chancellor Adolf Hitler began a purge of the SA, the Nazi Party's paramilitary wing, and other political rivals in the Night of the Long Knives, executing at least 85 people.
- 2009 – Yemenia Flight 626 crashed into the Indian Ocean near the Comoros, killing 152 people, with French schoolgirl Bahia Bakari the sole survivor.
- Alberto Henschel (d. 1882)
- Assia Djebar (b. 1936)
- Allegra Versace (b. 1986)