June 264 – Augustus adopts Tiberius. 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 Sasanian Empire. 684 – Pope Benedict II is the last pope to require confirmation by the Byzantine emperor before taking office. 699 – En no Ozuno, a Japanese mystic and apothecary who will later be regarded as the founder of a folk religion Shugendō, is banished to Izu Ōshima.
January 19379 – Emperor Gratian elevates Flavius Theodosius at Sirmium to Augustus, and gives him authority over all the eastern provinces of the Roman Empire. 649 – Conquest of Kucha: The forces of Kucha surrender after a forty-day siege led by Tang dynasty general Ashina She'er, establishing Tang control over the northern Tarim Basin in Xinjiang. 1419 – Hundred Years' War: Rouen surrenders to Henry V of England, completing his reconquest of Normandy. 1511 – The Italian Duchy of Mirandola surrenders to the Pope.
May 8453 BC – Spring and Autumn period: The house of Zhao defeats the house of Zhi, ending the Battle of Jinyang, a military conflict between the elite families of the State of Jin. 413 – Emperor Honorius signs an edict providing tax relief for the Italian provinces Tuscia, Campania, Picenum, Samnium, Apulia, Lucania and Calabria, which were plundered by the Visigoths. 589 – Reccared I opens the Third Council of Toledo, marking the entry of Visigothic Spain into the Catholic Church.
October 1331 BC – Alexander the Great defeats Darius III of Persia in the Battle of Gaugamela. 366 – Pope Damasus I is consecrated. 959 – Edgar the Peaceful becomes king of all England, in succession to Eadwig. 965 – Pope John XIII is consecrated. 1553 – The coronation of Queen Mary I of England is held at Westminster Abbey. 1588 – The coronation of Shah Abbas I of Persia occurs. 1730 – Ahmed III is forced to abdicate as the Ottoman sultan. 1779 – The city of Tampere, Finland (belonging to Sweden at this time) is founded by King Gustav III of Sweden.
July 16622 – The Hijrah of Muhammad begins, marking the beginning of the Islamic calendar. 997 – Battle of Spercheios: Bulgarian forces of Tsar Samuel are defeated by a Byzantine army under general Nikephoros Ouranos at the Spercheios River in Greece. 1054 – Three Roman legates break relations between Western and Eastern Christian Churches through the act of placing a Papal bull (of doubtful validity) of Excommunication on the altar of Hagia Sophia during Saturday afternoon divine liturgy.
July 2070 – Siege of Jerusalem: Titus, son of emperor Vespasian, storms the Fortress of Antonia north of the Temple Mount. The Roman army is drawn into street fights with the Zealots. 792 – Kardam of Bulgaria defeats Byzantine Emperor Constantine VI at the Battle of Marcellae. 911 – Rollo lays siege to Chartres. 1189 – Richard I of England officially invested as Duke of Normandy. 1225 – Treaty of San Germano is signed at San Germano between Holy Roman Emperor Frederick II and Pope Gregory IX.
1787January 9 – The North Carolina General Assembly authorizes nine commissioners to purchase of land for the seat of Chatham County. The town is named Pittsborough (later shortened to Pittsboro), for William Pitt the Younger. January 11 – William Herschel discovers Titania and Oberon, two moons of Uranus. January 19 – Mozart's Symphony No. 38 is premièred in Prague. February 2 – Arthur St. Clair of Pennsylvania is chosen as the new President of the Congress of the Confederation. February 4 – Shays' Rebellion in Massachusetts fails.
JuneJune is the sixth month of the year in the Julian and Gregorian calendars and is the second of four months to have a length of 30 days, and the third of five months to have a length of less than 31 days. June contains the summer solstice in the Northern Hemisphere, the day with the most daylight hours, and the winter solstice in the Southern Hemisphere, the day with the fewest daylight hours (excluding polar regions in both cases). June in the Northern Hemisphere is the seasonal equivalent to December in the Southern Hemisphere and vice versa.
August 20AD 14 – Agrippa Postumus, maternal grandson of the late Roman emperor Augustus, is mysteriously executed by his guards while in exile. 636 – Battle of Yarmouk: Arab forces led by Khalid ibn al-Walid take control of the Levant away from the Byzantine Empire, marking the first great wave of Muslim conquests and the rapid advance of Islam outside Arabia. 917 – Battle of Acheloos: Tsar Simeon I of Bulgaria decisively defeats a Byzantine army. 1083 – Canonization of the first King of Hungary, Saint Stephen and his son Saint Emeric celebrated as a National Day in Hungary.
1799January 9 – British Prime Minister William Pitt the Younger introduces an income tax of two shillings to the pound, to raise funds for Great Britain's war effort in the French Revolutionary Wars. January 17 – Maltese patriot Dun Mikiel Xerri, along with a number of other patriots, is executed. January 21 – The Parthenopean Republic is established in Naples by French General Jean Étienne Championnet; King Ferdinand I of the Two Sicilies flees.
