June 30

Pre-1600

• 296 – Pope Marcellinus begins his papacy.
• 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.
• 1598 – The Spanish-held Castillo San Felipe del Morro in San Juan, Puerto Rico having been besieged for fifteen days, surrenders to an English force under Sir George Clifford, Earl of Cumberland.

1601–1900

• 1632 – The University of Tartu is founded.
• 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.
• 1703 – The Battle of Ekeren between a Dutch force and a French force.
• 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.
• 1900 – A savage fire wrecked three steamships docked at a pier in Hoboken, New Jersey. Over 200 crew members and passengers are killed, and hundreds injured.

1901–present

• 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.
• 1973 – Concorde 001 intercepts the path of a total solar eclipse and follows the moon's shadow, experiencing the longest total eclipse observation.
• 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.
• 1989 – A coup d'état in Sudan deposes the democratically elected government of Prime Minister Sadiq al-Mahdi and President Ahmed al-Mirghani.
• 1990 – East 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.
• 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 near 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 People's Republic of Korea (North Korea).
• 2021 – The Tiger Fire ignites near Black Canyon City, Arizona, and goes on to burn 16,278 acres (6,587 ha) of land before being fully contained on July 30.
• 2023 – A Tajik citizen with ISIS connections, wanted in Tajikistan for murder and kidnapping, kills two people at Chișinău International Airport in Moldova, after being denied entry to the country.

Pre-1600

• 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)

1601–1900

• 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 – Nellah Massey Bailey, American politician and librarian (d. 1956)
• 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)

1901–present

• 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)
• 1924 – Max Trepp, Swiss sprinter (d. 1990)
• 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 (d. 2023)
• 1927 – Shirley Fry Irvin, American tennis player (d. 2021)
• 1927 – James Goldman, American screenwriter and playwright (d. 1998)
• 1927 – Mario Lanfranchi, Italian director, screenwriter, producer, collector and actor (d. 2022)
• 1927 – Frank McCabe, American basketball player (d. 2021)
• 1928 – Hassan Hassanzadeh Amoli, Islamic philosopher, theologian, mathematician and mystic (d. 2021)
• 1928 – Nathaniel Tarn, American poet, essayist, anthropologist, and translator
• 1929 – Yang Ti-liang, Chinese judge (d. 2023)
• 1930 – Ben Atchley, American politician (d. 2018)
• 1930 – Ahmed Zaki Yamani, Saudi Arabian politician (d. 2021)
• 1930 – Ignatius Peter VIII Abdalahad, Syrian bishop (d. 2018)
• 1931 – Yo-Yo Davalillo, Venezuelan baseball player and manager (d. 2013)
• 1931 – Andrew Hill, American pianist and composer (d. 2007)
• 1931 – Ronald Rene Lagueux, American judge
• 1931 – Kaye Vaughan, American football player
• 1933 – Tomislav Ivić, Croatian football coach and manager (d. 2011)
• 1933 – Joan Murrell Owens, American educator and marine biologist (d. 2011)
• 1933 – M. J. K. Smith, English cricketer and rugby player
• 1933 – Orval Tessier, Canadian ice hockey player and coach (d. 2022)
• 1933 – Cookie, Australian Major Mitchell's cockatoo, oldest recorded parrot (d. 2016)
• 1934 – Harry Blackstone Jr., American magician and author (d. 1997)
• 1935 – John Harlin, American pilot and mountaineer (d. 1966)
• 1936 – Assia Djebar, Algerian-French author and translator (d. 2015)
• 1936 – Nancy Dussault, American actress and singer
• 1936 – Tony Musante, American actor and screenwriter (d. 2013)
• 1936 – Dave Van Ronk, American singer-songwriter and guitarist (d. 2002)
• 1937 – Larry Henley, American singer-songwriter (d. 2014)
• 1938 – Billy Mills, American sprinter
• 1939 – Tony Hatch, English pianist, composer, and producer
• 1939 – Barry Hines, English author and screenwriter (d. 2016)
• 1939 – José Emilio Pacheco, Mexican poet and author (d. 2014)
• 1940 – Mark Spoelstra, American singer-songwriter and guitarist (d. 2007)
• 1941 – Peter Pollock, South African cricketer and author
• 1942 – Robert Ballard, American lieutenant and oceanographer
• 1942 – Ron Harris, Canadian ice hockey player and coach
• 1943 – Florence Ballard, American pop/soul singer (d. 1976)
• 1943 – Saeed Akhtar Mirza, Indian director and screenwriter
• 1944 – Terry Funk, American wrestler (d. 2023)
• 1944 – Raymond Moody, American parapsychologist and author
• 1944 – Glenn Shorrock, English-Australian singer-songwriter
• 1944 – Ron Swoboda, American baseball player and sportscaster
• 1949 – Uwe Kliemann, German footballer, coach, and manager
• 1949 – Andy Scott, Welsh singer-songwriter, guitarist, and producer
• 1949 – Bùi Thanh Liêm, Vietnamese cosmonaut (d. 1981)
• 1951 – Stanley Clarke, American bass player and composer
• 1952 – Athanassios S. Fokas, Greek mathematician and academic
• 1952 – David Garrison, American actor and singer
• 1953 – Hal Lindes, American-English guitarist and film score composer
• 1954 – Stephen Barlow, English organist, composer, and conductor
• 1954 – Pierre Charles, Dominican educator and politician, 5th Prime Minister of Dominica (d. 2004)
• 1954 – Serzh Sargsyan, Armenian politician, 3rd President of Armenia
• 1954 – Wayne Swan, Australian academic and politician, 14th Deputy Prime Minister of Australia
• 1955 – Brian Vollmer, Canadian singer
• 1955 – Egils Levits, Latvian judge, jurist, 10th President of Latvia
• 1956 – Volker Beck, German hurdler and coach
• 1956 – David Lidington, English historian, academic, and politician, Minister of State for Europe
• 1956 – David Alan Grier, American actor, singer, and comedian
• 1957 – Bud Black, American baseball player and manager
• 1957 – Sterling Marlin, American race car driver
• 1958 – Pam Royle, British television presenter, journalist and voice coach
• 1958 – Esa-Pekka Salonen, Finnish conductor and composer
• 1959 – Vincent D'Onofrio, American actor
• 1959 – Daniel Goldhagen, American political scientist, author, and academic
• 1959 – Brendan Perry, English singer-songwriter, guitarist, and producer
• 1959 – Sakis Tsiolis, Greek footballer and manager
• 1959 – Sandip Verma, Baroness Verma, Indian-English businesswoman and politician
• 1960 – Jack McConnell, Scottish educator and politician, 3rd First Minister of Scotland
• 1960 – Murray Cook, Australian musician, actor, songwriter and producer
• 1961 – Lynne Jolitz, American computer scientist and programmer
• 1961 – Clive Nolan, English musician, composer and producer
• 1962 – Tony Fernández, Dominican baseball player (d. 2020)
• 1962 – Julianne Regan, English singer-songwriter and guitarist
• 1963 – Olha Bryzhina, Ukrainian sprinter
• 1963 – Rupert Graves, English actor, director, and screenwriter
• 1963 – Yngwie Malmsteen, Swedish guitarist and songwriter
• 1964 – Alexandra, Countess of Frederiksborg
• 1964 – Mark Waters, American director and producer
• 1965 – Steve Duchesne, Canadian-American ice hockey player and coach
• 1965 – Cho Jae-hyun, South Korean actor
• 1965 – Anna Levandi, Russian figure skater and coach
• 1965 – Gary Pallister, English footballer and sportscaster
• 1965 – Mitch Richmond, American basketball player
• 1966 – Mike Tyson, American boxer and actor
• 1967 – Patrik Bodén, Swedish javelin thrower
• 1967 – David Busst, English footballer and manager
• 1967 – Victoria Kaspi, American-Canadian astrophysicist and academic
• 1968 – Phil Anselmo, American singer-songwriter and producer
• 1969 – Sanath Jayasuriya, Sri Lankan cricketer and politician
• 1969 – Uta Rohländer, German sprinter
• 1969 – Sébastien Rose, Canadian director and screenwriter
• 1970 – Brian Bloom, American actor and screenwriter
• 1970 – Antonio Chimenti, Italian footballer and manager
• 1970 – Mark Grudzielanek, American baseball player and manager
• 1971 – Monica Potter, American actress
• 1972 – Sandra Cam, Belgian swimmer
• 1972 – Molly Parker, Canadian actress
• 1973 – Chan Ho Park, South Korean baseball player
• 1973 – Frank Rost, German footballer and manager
• 1974 – Hezekiél Sepeng, South African runner
• 1975 – James Bannatyne, New Zealand footballer
• 1975 – Ralf Schumacher, German race car driver
• 1978 – Ben Cousins, Australian footballer
• 1978 – Patrick Ivuti, Kenyan runner
• 1978 – Claudio Rivalta, Italian footballer
• 1979 – Sylvain Chavanel, French cyclist
• 1980 – Rade Prica, Swedish footballer
• 1980 – Seyi Olofinjana, Nigerian footballer
• 1980 – Ryan ten Doeschate, Dutch cricketer
• 1981 – Can Artam, Turkish race car driver
• 1981 – Matt Kirk, Canadian football player
• 1981 – Barbora Špotáková, Czech javelin thrower
• 1981 – Ben Utecht, American football player
• 1982 – Lizzy Caplan, American actress
• 1982 – Ignacio Carrasco, Mexican footballer
• 1983 – Marcus Burghardt, German cyclist
• 1983 – Katherine Ryan, UK-based Canadian comedian and presenter
• 1983 – Cheryl, English singer and TV personality
• 1984 – Fantasia Barrino, American singer-songwriter and actress
• 1984 – Dax Harwood, American wrestler
• 1984 – Tunku Ismail Idris, Crown Prince of Johor, Malaysia
• 1985 – Trevor Ariza, American basketball player
• 1985 – Michael Phelps, American swimmer
• 1985 – Cody Rhodes, American wrestler
• 1985 – Fabiana Vallejos, Argentinian footballer
• 1986 – Alicia Fox, American wrestler, model, and actress
• 1986 – Fredy Guarín, Colombian footballer
• 1986 – Nicola Pozzi, Italian footballer
• 1986 – Allegra Versace, Italian-American businesswoman
• 1987 – Ryan Cook, American baseball player
• 1987 – Andrew Hedgman, New Zealand runner
• 1989 – Asbel Kiprop, Kenyan runner
• 1989 – Steffen Liebig, German rugby player
• 1989 – David Myers, Australian footballer
• 1993 – Trea Turner, American baseball player
• 1997 – A. J. Brown, American football player
• 1997 – Reuben Garrick, Australian rugby league player
• 1998 – Tom Davies, English footballer

Pre-1600

• 350 – Nepotianus, Roman ruler
• 710 – Erentrude, Frankish abbess
• 888 – Æthelred, archbishop of Canterbury
• 1181 – Hugh de Kevelioc, 5th Earl of Chester, Welsh politician (b. 1147)
• 1224 – Adolf of Osnabrück, German monk and bishop (b. 1185)
• 1278 – Pierre de la Broce, French courtier
• 1337 – Eleanor de Clare, English noblewoman (b. 1290)
• 1364 – Arnošt of Pardubice, Czech archbishop (b. 1297)
• 1538 – Charles II, Duke of Guelders (b. 1467)
• 1522 – Johann Reuchlin, German humanist and Hebrew scholar (b. 1455)

1601–1900

• 1607 – Caesar Baronius, Italian cardinal and historian (b. 1538)
• 1649 – Simon Vouet, French painter (b. 1590)
• 1660 – William Oughtred, English minister and mathematician (b. 1575)
• 1666 – Alexander Brome, English poet and playwright (b. 1620)
• 1670 – Henrietta of England (b. 1644)
• 1704 – John Quelch, English pirate (b. 1665)
• 1708 – Tekle Haymanot I of Ethiopia (b. 1684)
• 1709 – Edward Lhuyd, Welsh botanist, linguist, and geographer (b. 1660)
• 1785 – James Oglethorpe, English general and politician, 1st Colonial Governor of Georgia (b. 1696)
• 1796 – Abraham Yates Jr., American lawyer and politician (b. 1724)
• 1857 – Alcide d'Orbigny, French zoologist and paleontologist (b. 1802)
• 1882 – Charles J. Guiteau, American preacher and lawyer, assassin of James A. Garfield (b. 1841)
• 1882 – Alberto Henschel, German-Brazilian photographer and businessman (b. 1827)
• 1890 – Samuel Parkman Tuckerman, American organist and composer (b. 1819)

1901–present

• 1908 – Thomas Hill, American painter (b. 1829)
• 1913 – Alphonse Kirchhoffer, French fencer (b. 1873)
• 1916 – Eunice Eloisae Gibbs Allyn, American correspondent, author, and poet (b. 1847)
• 1917 – Antonio de La Gándara, French painter and illustrator (b. 1861)
• 1917 – Dadabhai Naoroji, Parsi intellectual, educator, cotton trader, and an early Indian political and social leader (b. 1825)
• 1919 – John William Strutt, 3rd Baron Rayleigh, English physicist and academic, Nobel Prize laureate (b. 1842)
• 1932 – Bruno Kastner, German actor, producer, and screenwriter (b. 1890)
• 1934 – Karl Ernst, German soldier (b. 1904)
• 1934 – Erich Klausener, German soldier and politician (b. 1885)
• 1934 – Gustav Ritter von Kahr, German lawyer and politician, Minister-President of Bavaria (b. 1862)
• 1934 – Gregor Strasser, German lieutenant and politician (b. 1892)
• 1934 – Kurt von Schleicher, German general and politician, 23rd Chancellor of Germany (b. 1882)
• 1941 – Yefim Fomin, Belarusian politician (b. 1909)
• 1941 – Aleksander Tõnisson, Estonian general and politician, 5th Estonian Minister of War (b. 1875)
• 1948 – Prince Sabahaddin, Turkish-Swiss sociologist and academic (b. 1879)
• 1949 – Édouard Alphonse James de Rothschild, French financier and polo player (b. 1868)
• 1951 – Yrjö Saarela, Finnish wrestler and coach (b. 1884)
• 1953 – Elsa Beskow, Swedish author and illustrator (b. 1874)
• 1953 – Charles William Miller, Brazilian footballer and civil servant (b. 1874)
• 1954 – Andrass Samuelsen, Faroese politician, 1st Prime Minister of the Faroe Islands (b. 1873)
• 1956 – Thorleif Lund, Norwegian actor (b. 1880)
• 1959 – José Vasconcelos, Mexican philosopher and politician (b. 1882)
• 1961 – Lee de Forest, American inventor, invented the audion tube (b. 1873)
• 1966 – Giuseppe Farina, Italian race car driver (b. 1906)
• 1966 – Margery Allingham, English author of detective fiction (b. 1904)
• 1968 – Ernst Marcus, German zoologist (b. 1893)
• 1971 – Georgi Asparuhov, Bulgarian footballer (b. 1943)
• 1971 – Herbert Biberman, American director and screenwriter (b. 1900)
• 1971 – Georgy Dobrovolsky Ukrainian pilot and astronaut (b. 1928)
• 1971 – Nikola Kotkov, Bulgarian footballer (b. 1938)
• 1971 – Viktor Patsayev, Kazakh engineer and astronaut (b. 1933)
• 1971 – Vladislav Volkov, Russian engineer and astronaut (b. 1935)
• 1973 – Nancy Mitford, English journalist and author (b. 1904)
• 1973 – Vasyl Velychkovsky, Ukrainian-Canadian bishop and martyr (b. 1903)
• 1974 – Alberta Williams King, Civil rights activist (b. 1904)
• 1976 – Firpo Marberry, American baseball player and umpire (b. 1898)
• 1984 – Lillian Hellman, American author and playwright (b. 1905)
• 1985 – Haruo Remeliik, Palauan politician, 1st President of Palau (b. 1933)
• 1995 – Georgy Beregovoy, Ukrainian general and astronaut (b. 1921)
• 1995 – Gale Gordon, American actor and voice artist (b. 1906)
• 1996 – Lakis Petropoulos, Greek footballer and manager (b. 1932)
• 2001 – Chet Atkins, American singer-songwriter, guitarist, and producer (b. 1924)
• 2001 – Joe Henderson, American saxophonist and composer (b. 1937)
• 2002 – Chico Xavier, Brazilian medium and author (b. 1910)
• 2003 – Buddy Hackett, American actor and comedian (b. 1924)
• 2003 – Robert McCloskey, American author and illustrator (b. 1915)
• 2004 – Eddie Burns, Australian rugby league player (b. 1916)
• 2007 – Sahib Singh Verma, Indian librarian and politician, 4th Chief Minister of Delhi (b. 1943)
• 2009 – Pina Bausch, German dancer, choreographer, and director (b. 1940)
• 2009 – Harve Presnell, American actor and singer (b. 1933)
• 2012 – Michael Abney-Hastings, 14th Earl of Loudoun, English-Australian politician (b. 1942)
• 2012 – Yitzhak Shamir, Israeli politician, 7th Prime Minister of Israel (b. 1915)
• 2012 – Michael J. Ybarra, American journalist and author (b. 1966)
• 2013 – Alan Campbell, Baron Campbell of Alloway, English lawyer and judge (b. 1917)
• 2013 – Akpor Pius Ewherido, Nigerian politician (b. 1963)
• 2013 – Kathryn Morrison, American educator and politician (b. 1942)
• 2013 – Thompson Oliha, Nigerian footballer (b. 1968)
• 2013 – Keith Seaman, Australian politician, 29th Governor of South Australia (b. 1920)
• 2014 – Frank Cashen, American businessman (b. 1925)
• 2014 – Paul Mazursky, American actor, director, producer, and screenwriter (b. 1930)
• 2014 – Željko Šturanović, Montenegrin lawyer and politician, 31st Prime Minister of Montenegro (b. 1960)
• 2015 – Charles W. Bagnal, American general (b. 1934)
• 2015 – Robert Dewar, English-American computer scientist and academic (b. 1945)
• 2015 – Arthur Porter, Canadian physician and academic (b. 1956)
• 2015 – Leonard Starr, American author and illustrator (b. 1925)
• 2017 – Barry Norman, English television presenter (b. 1933)
• 2017 – Simone Veil, French lawyer and politician (b. 1927)
• 2018 – Smoke Dawg, Canadian rapper (b. 1996)
• 2021 – Raj Kaushal, Indian Film Director and Producer (b. 1971)
• 2022 – Technoblade, American YouTuber and streamer (b. 1999)

• Christian feast day:
  • Martial
  • Theobald of Provins
  • First Martyrs of the Church of Rome
  • June 30 (Eastern Orthodox liturgics)
• Armed Forces Day (Guatemala)
• Asteroid Day (International observance)
• General Prayer Day (Central African Republic)
• Independence Day (Democratic Republic of the Congo), celebrates the independence of Democratic Republic of the Congo from Belgium in 1960.
• Navy Day (Israel)
• Philippine–Spanish Friendship Day (Philippines)
• Revolution Day (Sudan)
• Teachers' Day (Dominican Republic)

• "On This Day". BBC.
• The New York Times: On This Day
• "Historical Events on June 30". OnThisDay.com.