June 27
- 1358 – Republic of Dubrovnik is founded
- 1497 – Cornish rebels Michael An Gof and Thomas Flamank are executed at Tyburn, London, England.
- 1709 (O.S.) – Peter the Great defeats Charles XII of Sweden at the Battle of Poltava.
- 1743 – War of the Austrian Succession: Battle of Dettingen: On the battlefield in Bavaria, George II personally leads troops into battle. The last time that a British monarch would command troops in the field.
- 1759 – General James Wolfe begins the siege of Quebec.
- 1806 – British forces take Buenos Aires during the first British invasions of the Río de la Plata.
- 1844 – Joseph Smith, Jr., founder of the Latter Day Saint movement, and his brother Hyrum Smith, are murdered by a mob at the Carthage, Illinois jail.
- 1895 – The inaugural run of the Baltimore and Ohio Railroad's Royal Blue from Washington, D.C., to New York, New York, the first U.S. passenger train to use electric locomotives.
- 1898 – The first solo circumnavigation of the globe is completed by Joshua Slocum from Briar Island, Nova Scotia.
- 1899 – A. E. J. Collins scores 628 runs not out, the highest-ever recorded score in cricket.
- 1905 – Battleship Potemkin uprising: sailors start a mutiny aboard the Battleship Potemkin, denouncing the crimes of autocracy, demanding liberty and an end to war.
- 1923 – Capt. Lowell H. Smith and Lt. John P. Richter perform the first ever aerial refueling in a DH-4B biplane
- 1927 – Prime Minister of Japan Tanaka Giichi leads a conference to discuss Japan's plans for China; later, a document detailing these plans, the "Tanaka Memorial" is leaked, although it is now considered a forgery.
- 1941 – Romanian governmental forces, allies of Nazi Germany, launch one of the most violent pogroms in Jewish history in the city of Iaşi, (Romania), resulting in the murder of at least 13,266 Jews.
- 1941 – German troops capture the city of Białystok during Operation Barbarossa.
- 1946 – In the Canadian Citizenship Act, the Parliament of Canada establishes the definition of Canadian citizenship.
- 1950 – The United States decides to send troops to fight in the Korean War.
- 1954 – The world's first nuclear power station opens in Obninsk, near Moscow.
- 1954 – The 1954 FIFA World Cup quarterfinal match between Hungary and Brazil, highly anticipated to be exciting, instead turns violent, with three players ejected and further fighting continuing after the game.
- 1967 – The world's first ATM is installed in Enfield Town, England, United Kingdom.
- 1971 – After only three years in business, rock promoter Bill Graham closes the Fillmore East in New York, New York, the "Church of Rock and Roll".
- 1973 – The President of Uruguay Juan María Bordaberry dissolves Parliament and establishes a dictatorship.
- 1974 – U.S. president Richard Nixon visits the Soviet Union.
- 1976 – Air France Flight 139 (Tel Aviv-Athens-Paris) is hijacked en route to Paris by the PLO and redirected to Entebbe, Uganda.
- 1977 – France grants independence to Djibouti.
- 1981 – The Central Committee of the Communist Party of China issues its "Resolution on Certain Questions in the History of Our Party Since the Founding of the People's Republic of China", laying the blame for the Cultural Revolution on Mao Zedong.
- 1982 – Space Shuttle Columbia launched from the Kennedy Space Center on the final research and development flight mission, STS-4.
- 1989 – The current international treaty defending indigenous peoples, ILO 169 convention, is adopted.
- 1991 – Slovenia, after declaring independence two days before is invaded by Yugoslav troops, tanks, and aircraft starting the Ten-Day War.
- 2007 – The Brazilian Military Police invades the favelas of Complexo do Alemão in an episode which is remembered as the Complexo do Alemão massacre.
- 2008 – In a highly-scrutizined election President of Zimbabwe Robert Mugabe is re-elected in a landslide after his opponent Morgan Tsvangirai had withdrawn a week earlier, citing violence against his party's supporters.
June 26
- 221 – Roman Emperor Elagabalus adopts his cousin Alexander Severus as his heir and receives the title of Caesar.
- 363 – Roman Emperor Julian is killed during the retreat from the Sassanid Empire. General Jovian is proclaimed Emperor by the troops on the battlefield.
- 1284 – the legendary Pied Piper leads 130 children out of Hamelin, Germany
- 1409 – Western Schism: the Roman Catholic church is led into a double schism as Petros Philargos is crowned Pope Alexander V after the Council of Pisa, joining Pope Gregory XII in Rome and Pope Benedict XII in Avignon.
- 1541 – Francisco Pizarro is assassinated in Lima by the son of his former companion and later antagonist, Diego Almagro the younger. Almagro is later caught and executed.
- 1718 – Tsarevich Alexei Petrovich of Russia, Peter the Great's son, mysteriously dies after being sentenced to death by his father for plotting against him.
- 1723 – After a siege and bombardment by cannon, Baku surrenders to the Russians.
- 1848 – End of the June Days Uprising in Paris.
- 1857 – The first investiture of the Victoria Cross in Hyde Park, London.
- 1870 – The Christian holiday of Christmas is declared a federal holiday in the United States.
- 1907 – The 1907 Tiflis bank robbery took place in Yerevan Square, now Freedom Square, Tbilisi.
- 1909 – The Science Museum in London comes into existence as an independent entity.
- 1917 – The first U.S. troops arrive in France to fight alongside Britain and France against Germany in World War I.
- 1918 – World War I, Western Front: Battle for Belleau Wood – Allied Forces under John J. Pershing and James Harbord defeat Imperial German Forces under Wilhelm, German Crown Prince.
- 1924 – American occupying forces leave the Dominican Republic.
- 1927 – The Cyclone roller coaster opens on Coney Island.
- 1934 – President Franklin D. Roosevelt signs the Federal Credit Union Act, which establishes credit unions.
- 1936 – Initial flight of the Focke-Wulf Fw 61, the first practical helicopter.
- 1940 – World War II: under the Molotov-Ribbentrop Pact, the Soviet Union presents an ultimatum to Romania requiring it to cede Bessarabia and the northern part of Bukovina.
- 1941 – World War II: Soviet planes bomb Kassa, Hungary (now Košice, Slovakia), giving Hungary the impetus to declare war the next day.
- 1942 – The first flight of the Grumman F6F Hellcat.
- 1945 – The United Nations Charter is signed in San Francisco.
- 1948 – The Western allies begin an airlift to Berlin after the Soviet Union blockades West Berlin.
- 1948 – William Shockley files the original patent for the grown junction transistor, the first bipolar junction transistor.
- 1948 – Shirley Jackson's short story The Lottery is published in The New Yorker magazine.
- 1952 – The Pan-Malayan Labour Party is founded in Malaya, as a union of statewise labour parties.
- 1953 – Lavrentiy Beria,head of MVD, is arrested by Nikita Khrushchev and other members of the Politburo.
- 1955 – The South African Congress Alliance adopts the Freedom Charter at the Congress of the People in Kliptown.
- 1959 – The Saint Lawrence Seaway opens, opening North America's Great Lakes to ocean-going ships.
- 1960 – The former British Protectorate of British Somaliland gains its independence as Somaliland .
- 1960 – Madagascar gains its independence from France.
- 1973 – At Plesetsk Cosmodrome 9 people are killed in an explosion of a Cosmos 3-M rocket.
- 1974 – The Universal Product Code is scanned for the first time to sell a package of Wrigley's chewing gum at the Marsh Supermarket in Troy, Ohio
- 1975 – Two FBI agents and a member of the American Indian Movement are killed in a shootout on the Pine Ridge Indian Reservation in South Dakota; Leonard Peltier is later convicted of the murders in a controversial trial.
- 1977 – The Yorkshire Ripper kills 16 year old shop assistant Jayne MacDonald in Leeds, changing public perception of the killer as she is the first victim who is not a prostitute.
- 1978 – Air Canada Flight 189 to Toronto overruns the runway and crashes into the Etobicoke Creek ravine. Two of 107 passengers on board perish.
- 1991 – Ten-Day War: the Yugoslav people's army begins the Ten-Day War in Slovenia.
- 1995 – Hamad bin Khalifa al-Thani deposes his father Khalifa bin Hamad al-Thani, the Emir of Qatar, in a bloodless coup.
- 1996 – Irish Journalist Veronica Guerin is shot in her car while in traffic in the outskirts of Dublin
- 1997 – The U.S. Supreme Court rules that the Communications Decency Act violates the First Amendment to the United States Constitution.
- 2003 – The U.S. Supreme Court rules in Lawrence v. Texas that gender-based sodomy laws are unconstitutional.
- 2006 – Mari Alkatiri, the first Prime Minister of East Timor, resigns after weeks of political unrest.
- 2008 – The U.S. Supreme Court rules in District of Columbia v. Heller that the Second Amendment to the United States Constitution protects an individual right, and that the District of Columbia handgun ban is unconstitutional.
June 25
- 253 – Pope Cornelius is executed (beheaded) at Centumcellae.
- 524 – The Franks defeat the Burgundians in the Battle of Vézeronce.
- 841 – In the Battle of Fontenay-en-Puisaye, forces led by Charles the Bald and Louis the German defeat the armies of Lothair I of Italy and Pepin II of Aquitaine.
- 1530 – At the Diet of Augsburg the Augsburg Confession is presented to the Holy Roman Emperor by the Lutheran princes and Electors of Germany.
- 1678 – Venetian Elena Cornaro Piscopia is the first woman awarded a doctorate of philosophy when she graduates from the University of Padua.
- 1741 – Maria Theresa of Austria is crowned Queen of Hungary.
- 1786 – Gavriil Pribylov discovers St. George Island of the Pribilof Islands in the Bering Sea.
- 1788 – Virginia becomes the 10th state to ratify the United States Constitution.
- 1876 – Battle of the Little Bighorn and the death of Lieutenant Colonel George Armstrong Custer.
- 1906 – Pittsburgh, Pennsylvania millionaire Harry Thaw shoots and kills prominent architect Stanford White.
- 1910 – The United States Congress passes the Mann Act, which prohibits interstate transport of females for “immoral purposes”; the ambiguous language would be used to selectively prosecute people for years to come.
- 1913 – American Civil War veterans begin arriving at the Great Reunion of 1913.
- 1935 – Diplomatic relations between the Soviet Union and Colombia are established.
- 1938 – Dr. Douglas Hyde is inaugurated as the first President of Ireland.
- 1944 – World War II: The Battle of Tali-Ihantala, the largest battle ever fought in the Nordic Countries, begins.
- 1944 – The final page of the comic Krazy Kat was published, exactly two months after its author George Herriman died.
- 1947 – The Diary of a Young Girl (better known as The Diary of Anne Frank) is published.
- 1948 – The Berlin airlift begins.
- 1949 – Long-Haired Hare, starring Bugs Bunny, is released in theaters.
- 1950 – The Korean War begins with the invasion of South Korea by North Korea.
- 1960 – Two cryptographers working for the United States National Security Agency left for vacation to Mexico, and from there defected to the Soviet Union.
- 1967 – Broadcasting of the first live global satellite television program: Our World
- 1975 – The State of Emergency is declared in India.
- 1975 – Mozambique achieves independence.
- 1976 – Missouri Governor Kit Bond issues an executive order rescinding the Extermination Order, formally apologizing on behalf of the state of Missouri for the suffering it had caused to the members of The Church of Jesus Christ of Latter-Day Saints.
- 1978 – The rainbow flag representing gay pride is flown for the first time in the San Francisco Gay Freedom Day Parade.
- 1981 – Microsoft is restructured to become an incorporated business in its home state of Washington.
- 1982 – Vinita and Vilas Sondur, were married to each other.
- 1982 – Greece abolishes the head shaving of recruits in the military.
- 1991 – Croatia and Slovenia declare their independence from Yugoslavia.
- 1993 – Kim Campbell is chosen as leader of the Progressive Conservative Party of Canada and becomes the first female Prime Minister of Canada.
- 1996 – The Khobar Towers bombing in Saudi Arabia kills 19 U.S. servicemen.
- 1997 – An unmanned Progress spacecraft collides with the Russian space station Mir.
- 1997 – The Soufrière Hills volcano in Montserrat erupts resulting in the death of 19 people.
- 1998 – In Clinton v. City of New York, the United States Supreme Court decides that the Line Item Veto Act of 1996 is unconstitutional.
- 2006 – Gilad Shalit, an Israeli soldier, is kidnapped by Palestinian militants in a cross-border raid from the Israeli territory.
June 24
- 109 – The Aqua Traiana is inaugurated by emperor Trajan, the aqueduct channels water from Lake Bracciano, 40 kilometers (25 miles) north-west of Rome.
- 637 – The Battle of Moira is fought between the High King of Ireland and the Kings of Ulster and Dalriada. It is the largest battle in the history of Ireland.
- 972 – Battle of Cedynia, the first documented victory of Polish forces, takes place.
- 1128 – Battle of São Mamede, near Guimarães: forces led by Alfonso I defeat forces led by his mother Teresa of León and her lover Fernando Pérez de Traba. After this battle, the future king calls himself "Prince of Portugal", the first step towards "official independence" that will be reached in 1139 after the Battle of Ourique.
- 1314 – First War of Scottish Independence: the Battle of Bannockburn concludes with a decisive victory of the Scottish forces led by Robert the Bruce, though England did not recognize Scottish independence until 1328 with the signing of the Treaty of Edinburgh-Northampton.
- 1340 – Hundred Years' War: Battle of Sluys – The French fleet is almost destroyed by the English Fleet commanded in person by King Edward III.
- 1374 – A sudden outbreak of St. John's Dance causes people in the streets of Aachen, Germany, to experience hallucinations and begin to jump and twitch uncontrollably until they collapse from exhaustion.
- 1497 – John Cabot lands in North America at Newfoundland leading the first European exploration of the region since the Vikings.
- 1509 – Henry VIII and Catherine of Aragon are crowned King and Queen of England.
- 1535 – The Anabaptist state of Münster is conquered and disbanded.
- 1571 – Miguel Lopez de Legazpi founds Manila, the capital of the Republic of the Philippines.
- 1597 – The first Dutch voyage to the East Indies reaches Bantam (on Java).
- 1604 – Samuel de Champlain discovers the mouth of the Saint John River, site of Reversing Falls and the present day city of Saint John, New Brunswick, Canada.
- 1622 – Battle of Macau: The Dutch attempt but fail to capture Macau.
- 1717 – The Premier Grand Lodge of England, the first Masonic Grand Lodge in the world (now the United Grand Lodge of England), is founded in London, England.
- 1793 – The first Republican constitution in France is adopted.
- 1812 – Napoleonic Wars: Napoleon's Grande Armée crosses the Neman River beginning the invasion of Russia.
- 1813 – Battle of Beaver Dams : a British and Indian combined force defeats the United States Army.
- 1821 – The Battle of Carabobo takes place. It is the decisive battle in the war of independence of Venezuela from Spain.
- 1859 – Battle of Solferino (Battle of the Three Sovereigns): Sardinia and France defeat Austria in Solferino, northern Italy.
- 1866 – Battle of Custoza: an Austrian army defeats the Italian army during the Austro-Prussian War.
- 1880 – First performance of O Canada, the song that would become the national anthem of Canada, at the Congrès national des Canadiens-Français.
- 1894 – Marie Francois Sadi Carnot is assassinated by Sante Geronimo Caserio.
- 1902 – King Edward VII of the United Kingdom develops appendicitis, delaying his coronation.
- 1913 – Greece and Serbia annul their alliance with Bulgaria.
- 1916 – Mary Pickford becomes the first female film star to sign a million dollar contract.
- 1916 – World War I: the Battle of the Somme begins with a week-long artillery bombardment on the German Line.
- 1918 – First airmail service in Canada from Montreal to Toronto.
- 1932 – A bloodless Revolution instigated by the People's Party ends the absolute power of King Prajadhipok of Siam (Thailand).
- 1938 – Pieces of a meteor, estimated to have weighed 450 metric tons when it hit the Earth's atmosphere and exploded, land near Chicora, Pennsylvania.
- 1939 – Siam is renamed to Thailand by Plaek Pibulsonggram, the country's third prime minister.
- 1947 – Kenneth Arnold makes the first widely reported UFO sighting near Mount Rainier, Washington.
- 1948 – Start of the Berlin Blockade: the Soviet Union makes overland travel between West Germany and West Berlin impossible.
- 1949 – The first Television Western, Hopalong Cassidy, is aired on NBC starring William Boyd.
- 1957 – In Roth v. United States, the U.S. Supreme Court rules that obscenity is not protected by the First Amendment .
- 1963 – The United Kingdom grants Zanzibar internal self-government.
- 1975 – An Eastern Air Lines Boeing 727 crashes at John F. Kennedy Airport, New York. 113 people die.
- 1981 – The Humber Bridge is opened to traffic, connecting Yorkshire and Lincolnshire. It would be the world's longest single-span suspension bridge for 17 years.
- 1982 – "The Jakarta Incident": British Airways Flight 9 flies into a cloud of volcanic ash thrown up by the eruption of Mount Galunggung, resulting in the failure of all four engines.
- 1985 – STS-51-G Space Shuttle Discovery completes its mission, best remembered for having Sultan bin Salman bin Abdulaziz Al Saud, the first Arab and first Muslim in space, as a Payload Specialist.
- 2002 – The Igandu train disaster in Tanzania kills 281, the worst train accident in African history.
- 2004 – In New York, capital punishment is declared unconstitutional.
- 2010 – John Isner of the United States defeats Nicolas Mahut of France at Wimbledon, in the longest match in professional tennis history.
June 23
- 79 – Titus succeeds his father Vespasian as the tenth Roman Emperor.
- 1180 – First Battle of Uji, starting the Genpei War in Japan.
- 1305 – A peace treaty between the Flemish and the French is signed at Athis-sur-Orge.
- 1314 – First War of Scottish Independence: The Battle of Bannockburn (south of Stirling) begins.
- 1532 – Henry VIII and François I sign a secret treaty against Emperor Charles V.
- 1565 – Turgut Reis (Dragut), commander of the Ottoman navy, dies during the Siege of Malta.
- 1611 – The mutinous crew of Henry Hudson's fourth voyage sets Henry, his son and seven loyal crew members adrift in an open boat in what is now Hudson Bay; they are never heard from again.
- 1661 – Marriage contract between Charles II of England and Catherine of Braganza.
- 1683 – William Penn signs a friendship treaty with Lenni Lenape Indians in Pennsylvania.
- 1713 – The French residents of Acadia are given one year to declare allegiance to Britain or leave Nova Scotia, Canada.
- 1757 – Battle of Plassey – 3,000 British troops under Robert Clive defeat a 50,000 strong Indian army under Siraj Ud Daulah at Plassey.
- 1758 – Seven Years' War: Battle of Krefeld – British forces defeat French troops at Krefeld in Germany.
- 1760 – Seven Years' War: Battle of Landeshut – Austria defeats Prussia.
- 1780 – American Revolution: Battle of Springfield fought in and around Springfield, New Jersey (including Short Hills, formerly of Springfield, now of Millburn Township).
- 1794 – Empress Catherine II of Russia grants Jews permission to settle in Kiev.
- 1810 – John Jacob Astor forms the Pacific Fur Company.
- 1812 – War of 1812: Great Britain revokes the restrictions on American commerce, thus eliminating one of the chief reasons for going to war.
- 1860 – The United States Congress establishes the Government Printing Office.
- 1865 – American Civil War: at Fort Towson in the Oklahoma Territory, Confederate, Brigadier General Stand Watie surrenders the last significant rebel army.
- 1887 – The Rocky Mountains Park Act becomes law in Canada creating the nation's first national park, Banff National Park.
- 1894 – The International Olympic Committee is founded at the Sorbonne in Paris, at the initiative of Baron Pierre de Coubertin.
- 1913 – Second Balkan War: The Greeks defeat the Bulgarians in the Battle of Doiran.
- 1914 – Mexican Revolution: Pancho Villa takes Zacatecas from Victoriano Huerta.
- 1917 – In a game against the Washington Senators, Boston Red Sox pitcher Ernie Shore retires 26 batters in a row after replacing Babe Ruth, who had been ejected for punching the umpire.
- 1919 – Estonian War of Independence: the decisive defeat of the Baltische Landeswehr in the Battle of Cesis. This day is celebrated as Victory Day in Estonia.
- 1926 – The College Board administers the first SAT exam.
- 1931 – Wiley Post and Harold Gatty take off from Roosevelt Field, Long Island in an attempt to circumnavigate the world in a single-engine plane.
- 1938 – The Civil Aeronautics Act is signed into law, forming the Civil Aeronautics Authority in the United States.
- 1940 – World War II: German leader Adolf Hitler surveys newly defeated Paris in now occupied France.
- 1941 – The Lithuanian Activist Front declares independence from the Soviet Union and forms the Provisional Government of Lithuania; it lasts only briefly as the Nazis will occupy Lithuania a few weeks later.
- 1942 – World War II: the first selections for the gas chamber at Auschwitz take place on a train full of Jews from Paris.
- 1942 – World War II: Germany's latest fighter, a Focke-Wulf Fw 190, is captured intact when it mistakenly lands at RAF Pembrey in Wales.
- 1943 – World War II: The British destroyers HMS Eclipse and HMS Laforey sink the Italian submarine Ascianghi in the Mediterranean after she torpedoes the cruiser HMS Newfoundland.
- 1946 – The 1946 Vancouver Island earthquake strikes Vancouver Island, British Columbia, Canada.
- 1947 – The United States Senate follows the United States House of Representatives in overriding U.S. President Harry Truman's veto of the Taft-Hartley Act.
- 1956 – The French National Assembly takes the first step in creating the French Community by passing the Loi Cadre, transferring a number of powers from Paris to elected territorial governments in French West Africa.
- 1958 – The Dutch Reformed Church accepts women ministers.
- 1959 – Convicted Manhattan Project spy Klaus Fuchs is released after only nine years in prison and allowed to emigrate to Dresden, East Germany where he resumes a scientific career.
- 1959 – A fire in a resort hotel in Stalheim (Norway) kills 34 people.
- 1961 – Cold War: the Antarctic Treaty, which sets aside Antarctica as a scientific preserve and bans military activity on the continent, comes into force after the opening date for signature set for the December 1, 1959.
- 1967 – Cold War: U.S. President Lyndon B. Johnson meets with Soviet Premier Alexei Kosygin in Glassboro, New Jersey for the three-day Glassboro Summit Conference.
- 1968 – 74 are killed and 150 injured in a football stampede towards a closed exit in a Buenos Aires stadium.
- 1969 – Warren E. Burger is sworn in as Chief Justice of the United States Supreme Court by retiring Chief Justice Earl Warren.
- 1972 – Watergate Scandal: U.S. President Richard M. Nixon and White House Chief of Staff H. R. Haldeman are taped talking about using the Central Intelligence Agency to obstruct the Federal Bureau of Investigation's investigation into the Watergate break-ins.
- 1972 – 45 countries leave the Sterling Area allowing their currencies to fluctuate independently of the British Pound.
- 1972 – Title IX of the United States Civil Rights Act of 1964 is amended to prohibit sexual discrimination to any educational program receiving federal funds.
- 1973 – A fire at a house in Hull, England which kills a six year old boy is passed off as an accident; it later emerges as the first of 26 deaths by fire caused over the next seven years by arsonist Peter Dinsdale.
- 1982 – Chinese American Vincent Chin is beaten to death in Highland Park, Michigan, by two auto workers who had mistaken him for Japanese and who were angry about the success of Japanese auto companies.
- 1985 – A terrorist bomb aboard Air India flight 182 brings the Boeing 747 down off the coast of Ireland killing all 329 aboard.
- 1989 – The U.S. Supreme Court rules that a law passed by the U.S. Congress banning all sexually oriented phone message services is unconstitutional.
- 1990 – Moldova adopts the Declaration of Sovereignty of the Soviet Socialist Republic Moldova.
- 1998 – Paul Reitsma resigns his seat in the British Columbia legislature; the first elected politician in the British Commonwealth to be removed from office by legally-binding petition.
June 22
- 217 BC – Battle of Raphia: Ptolemy IV Philopator of Egypt defeats Antiochus III the Great of the Seleucid kingdom.
- 168 BC – Battle of Pydna: Romans under Lucius Aemilius Paullus defeat and capture Macedonian King Perseus ending the Third Macedonian War.
- 1593 – Battle of Sisak: Allied Christian troops defeat the Turks.
- 1633 – The Holy Office in Rome forces Galileo Galilei to recant his view that the Sun, not the Earth, is the center of the Universe.
- 1783 – A poisonous cloud caused by the eruption of the Laki volcano in Iceland reaches Le Havre in France.
- 1807 – In the Chesapeake–Leopard Affair, the British warship HMS Leopard attacks and boards the American frigate USS Chesapeake.
- 1813 – War of 1812: After learning of American plans for a surprise attack on Beaver Dams in Ontario, Laura Secord sets out on a 30 kilometer journey on foot to warn Lieutenant James FitzGibbon.
- 1825 – The British Parliament abolishes feudalism and the seigneurial system in British North America.
- 1844 – North American fraternity Delta Kappa Epsilon is founded at Yale University.
- 1848 – Beginning of the June Days Uprising in Paris, France.
- 1893 – The Royal Navy battleship HMS Camperdown accidentally rams the British Mediterranean Fleet flagship HMS Victoria which sinks taking 358 crew with her including the fleet's commander, Vice-Admiral Sir George Tryon.
- 1897 – British colonial officers Charles Walter Rand and Lt. Charles Egerton Ayerst are assassinated in Pune, Maharashtra, India by the Chapekar brothers and Mahadeo Vinayak Ranade, who are later caught and hanged.
- 1898 – Spanish–American War: United States Marines land in Cuba.
- 1906 – The flag of Sweden is adopted.
- 1907 – The London Underground's Charing Cross, Euston and Hampstead Railway opens.
- 1911 – George V and Mary of Teck are crowned King and Queen of the United Kingdom of Great Britain and Ireland.
- 1918 – The Hammond Circus Train Wreck kills 86 and injures 127 near Hammond, Indiana.
- 1922 – Herrin massacre: 19 strikebreakers and 2 union miners are killed in Herrin, Illinois.
- 1940 – France is forced to sign the Second Compiègne armistice with Germany.
- 1941 – Germany invades the Soviet Union in Operation Barbarossa.
- 1941 – The June Uprising in Lithuania begins.
- 1941 – Various Communist and Socialist French Resistance movements merge to one group.
- 1942 – Erwin Rommel is promoted to Field Marshal after the capture of Tobruk.
- 1944 – Opening day of the Soviet Union's Operation Bagration against the Army Group Centre.
- 1944 – U.S. President Franklin D. Roosevelt signs into law the Servicemen's Readjustment Act of 1944, commonly known as the G.I. Bill.
- 1945 – World War II: The Battle of Okinawa ends when organized resistance of Imperial Japanese Army forces collapses in the Mabuni area on the southern tip of the main island.
- 1957 – The Soviet Union launches an R-12 missile for the first time (in the Kapustin Yar).
- 1962 – An Air France Boeing 707 jet crashes in bad weather in Guadeloupe, West Indies, killing 113.
- 1969 – The Cuyahoga River catches fire, which triggers a crack-down on pollution in the river.
- 1976 – The Canadian House of Commons abolishes capital punishment.
- 1978 – Charon, a satellite of the dwarf planet Pluto, is discovered by American astronomer James Christy.
- 1984 – Virgin Atlantic Airways launches with its first flight from London Heathrow Airport.
- 1990 – Checkpoint Charlie is dismantled in Berlin.
- 2002 – An earthquake measuring 6.5 Mw strikes a region of northwestern Iran killing at least 261 people and injuring 1,300 others and eventually causing widespread public anger due to the slowness of the victims receiving aid and supplies.
- 2003 – The largest hailstone ever recorded falls in Aurora, Nebraska
- 2009 – Washington Metro train collision: Two Metro trains collide in Washington, D.C., USA, killing 9 and injuring over 80.
- 2009 – Eastman Kodak Company announces that it will discontinue sales of the Kodachrome Color Film, concluding its 74-year run as a photography icon.
