763 – The Byzantine army of emperor Constantine V defeats the Bulgarian forces in the Battle of Anchialus.
1422 – Battle of Arbedo between the duke of Milan and the Swiss cantons.
1521 – Spanish forces defeat a combined French and Navarrese army at the Battle of Noáin during the Spanish conquest of Iberian Navarre.
1559 – King Henry II of France is mortally wounded in a jousting match against Gabriel, comte de Montgomery.
1651 – The Deluge: Khmelnytsky Uprising: The Battle of Berestechko ends with a Polish victory.
1688 – The Immortal Seven issue the Invitation to William, which would culminate in the Glorious Revolution.
1758 – Seven Years’ War: Habsburg Austrian forces destroy a Prussian reinforcement and supply convoy in the Battle of Domstadtl, helping to expel Prussian King Frederick the Great from Moravia.
1794 – Northwest Indian War: Native American forces under Blue Jacket attack Fort Recovery.
1805 – Under An act to divide the Indiana Territory into two separate governments, adopted by the U.S. Congress on January 11, 1805, the Michigan Territory is organized.
1859 – French acrobat Charles Blondin crosses Niagara Falls on a tightrope.
1860 – The 1860 Oxford evolution debate at the Oxford University Museum of Natural History takes place.
1864 – U.S. President Abraham Lincoln grants Yosemite Valley to California for “public use, resort and recreation”.
1882 – Charles J. Guiteau is hanged in Washington, D.C. for the assassination of U.S. President James Garfield.
1886 – The first transcontinental train trip across Canada departs from Montreal, Quebec. It arrives in Port Moody, British Columbia on July 4.
1892 – The Homestead Strike begins near Pittsburgh, Pennsylvania.
1905 – Albert Einstein sends the article On the Electrodynamics of Moving Bodies, in which he introduces special relativity, for publication in Annalen der Physik.
1906 – The United States Congress passes the Meat Inspection Act and Pure Food and Drug Act.
1908 – The Tunguska Event, the largest impact event on Earth in human recorded history, resulting in a massive explosion over Eastern Siberia.
1912 – The Regina Cyclone, Canada’s deadliest tornado event, kills 28 people in Regina, Saskatchewan.
1916 – World War I: In “the day Sussex died”, elements of the Royal Sussex Regiment take heavy casualties in the Battle of the Boar’s Head at Richebourg-l’Avoué in France.
1921 – U.S. President Warren G. Harding appoints former President William Howard Taft as Chief Justice of the United States.
1922 – In Washington D.C., U.S. Secretary of State Charles Evans Hughes and Dominican Ambassador Francisco J. Peynado sign the Hughes–Peynado agreement, which ends the United States occupation of the Dominican Republic.
1934 – The Night of the Long Knives, Adolf Hitler’s violent purge of his political rivals in Germany, takes place.
1936 – Emperor Haile Selassie of Abyssinia appeals for aid to the League of Nations against Italy’s invasion of his country.
1937 – The world’s first emergency telephone number, 999, is introduced in London.
1944 – World War II: The Battle of Cherbourg ends with the fall of the strategically valuable port to American forces.
1953 – The first Chevrolet Corvette rolls off the assembly line in Flint, Michigan.
1956 – A TWA Super Constellation and a United Airlines DC-7 collide above the Grand Canyon in Arizona and crash, killing all 128 on board both airliners.
1959 – A United States Air Force F-100 Super Sabre from Kadena Air Base, Okinawa, crashes into a nearby elementary school, killing 11 students plus six residents from the local neighborhood.
1960 – Belgian Congo gains independence as Republic of the Congo (Léopoldville).
1963 – Ciaculli bombing: a car bomb, intended for Mafia boss Salvatore Greco, kills seven police officers and military personnel near Palermo.
1966 – The National Organization for Women, the United States’ largest feminist organization, is founded.
1968 – Pope Paul VI issues the Credo of the People of God.
1971 – The crew of the Soviet Soyuz 11 spacecraft are killed when their air supply escapes through a faulty valve.
1972 – The first leap second is added to the UTC time system.
1974 – The Baltimore municipal strike of 1974 begins.
1977 – The Southeast Asia Treaty Organization disbands.
1985 – Thirty-nine American hostages from the hijacked TWA Flight 847 are freed in Beirut after being held for 17 days.
1986 – The U.S. Supreme Court rules in Bowers v. Hardwick that states can outlaw homosexual acts between consenting adults.
1990 – East Germany and West Germany merge their economies.
1994 – During a test flight of an Airbus A330-300 at Toulouse–Blagnac Airport, the aircraft crashes killing all seven people on board.
1997 – The United Kingdom transfers sovereignty over Hong Kong to China.
2005 – MTV Canada is rebranded as Razer
2007 – A Jeep Cherokee filled with propane canisters drives into the entrance of Glasgow Airport, Scotland in a failed terrorist attack. This was linked to the 2007 London car bombs that had taken place the day before.
2009 – Yemenia Flight 626, an Airbus A310-300, crashes into the Indian Ocean near Comoros, killing 152 of the 153 people on board. A 14-year-old girl named Bahia Bakari survives the crash.
2013 – Nineteen firefighters die controlling a wildfire in Yarnell, Arizona.
2013 – Protests begin around Egypt against President Mohamed Morsi and the ruling Freedom and Justice Party, leading to their overthrow during the 2013 Egyptian coup d’état.
2015 – A Hercules C-130 military aircraft with 113 people on board crashes in a residential area in Medan, Indonesia, resulting in at least 116 deaths.
2019 – Donald Trump becomes the first sitting US President to visit the Democratic Republic of Korea.
Births on June 30
1286 – John de Warenne, 7th Earl of Surrey, English magnate (d. 1347)
1468 – John, Elector of Saxony (d. 1532)
1470 – Charles VIII of France (d. 1498)
1478 – John, Prince of Asturias, Son of Ferdinand II of Aragon and Isabella I of Castile (d. 1497)
1503 – John Frederick I, Elector of Saxony (d. 1554)
1533 – Martín de Rada, Spanish missionary (d. 1578)
1588 – Giovanni Maria Sabino, Italian organist, composer, and educator (d. 1649)
1641 – Meinhardt Schomberg, 3rd Duke of Schomberg, German-English general (d. 1719)
1685 – John Gay, English poet and playwright (d. 1732)
1688 – Abu l-Hasan Ali I, ruler of Tunisia (d. 1756)
1722 – Jiří Antonín Benda, Czech composer, violinist and Kapellmeister (d. 1795)
1755 – Paul Barras, French soldier and politician (d. 1829)
1789 – Horace Vernet, French painter and academic (d. 1863)
1791 – Félix Savart, French physicist and psychologist (d. 1841)
1803 – Thomas Lovell Beddoes, English poet, playwright, and physician (d. 1849)
1807 – Friedrich Theodor Vischer, German author, poet, and playwright (d.1887)
1817 – Joseph Dalton Hooker, English botanist and explorer (d. 1911)
1843 – Ernest Mason Satow, English orientalist and diplomat (d. 1929)
1864 – Frederick Bligh Bond, English architect and archaeologist (d. 1945)
1884 – Georges Duhamel, French author and critic (d. 1966)
1889 – Archibald Frazer-Nash, English motor car designer, engineer and founder of Frazer Nash (d. 1965)
1890 – Paul Boffa, Maltese physician and politician, 5th Prime Minister of Malta (d. 1962)
1891 – Man Mountain Dean, American wrestler and sergeant (d. 1953)
1891 – Ed Lewis, American wrestler and manager (d. 1966)
1891 – Stanley Spencer, English painter (d. 1959)
1892 – Pierre Blanchar, Algerian-French actor and director (d. 1963)
1893 – Walter Ulbricht, German soldier and politician (d. 1973)
1895 – Heinz Warneke, German-American sculptor and educator (d. 1983)
1899 – Madge Bellamy, American actress (d. 1990)
1905 – John Van Ryn, American tennis player (d. 1999)
1906 – Anthony Mann, American actor and director (d. 1967)
1907 – Roman Shukhevych, Ukrainian general and politician (d. 1950)
1908 – Winston Graham, English author (d. 2003)
1908 – Luigi Rovere, Italian film producer (d. 1996)
1908 – Rob Nieuwenhuys, Dutch writer (d. 1999)
1909 – Juan Bosch, 43rd President of the Dominican Republic (d. 2001)
1911 – Czesław Miłosz, Polish novelist, essayist, and poet, Nobel Prize laureate (d. 2004)
1911 – Nagarjun, Indian poet (d. 1998)
1912 – Ludwig Bölkow, German engineer (d. 2003)
1912 – Dan Reeves, American businessman and philanthropist (d. 1971)
1912 – María Luisa Dehesa Gómez Farías, Mexican architect (d. 2009)
1913 – Alfonso López Michelsen, Colombian lawyer and politician, 24th President of Colombia (d. 2007)
1913 – Harry Wismer, American sportscaster (d. 1967)
1914 – Francisco da Costa Gomes, Portuguese general and politician, 15th President of Portugal (d. 2001)
1914 – Allan Houser, American sculptor and painter (d. 1994)
1917 – Susan Hayward, American actress (d. 1975)
1917 – Lena Horne, American actress, singer, and activist (d. 2010)
1917 – Willa Kim, American costume designer (d. 2016)
1919 – Ed Yost, American inventor of the modern hot air balloon (d. 2007)
1920 – Eleanor Ross Taylor, American poet and educator (d. 2011)
1921 – Washington SyCip, American-Filipino accountant (d. 2017)
1922 – Al Besselink, American professional golfer
1923 – Andy Jack, English footballer
1924 – Max Trepp, Swiss sprinter
1925 – Fred Schaus, American basketball player and coach (d. 2010)
1925 – Ebrahim Amini, Iranian politician (d. 2020)
1926 – Paul Berg, American biochemist and academic, Nobel Prize laureate
1926 – David Berglas, American magician and mentalist
1927 – Shirley Fry Irvin, American tennis player
1927 – James Goldman, American screenwriter and playwright (d. 1998)
1927 – Mario Lanfranchi, Italian director, screenwriter, producer, collector and actor