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.
March 612 BCE – The Roman emperor Augustus is named Pontifex Maximus, incorporating the position into that of the emperor. 632 – The Farewell Sermon (Khutbah, Khutbatul Wada') of the Islamic prophet Muhammad. 845 – The 42 Martyrs of Amorium are killed after refusing to convert to Islam. 961 – Byzantine conquest of Chandax by Nikephoros Phokas, end of the Emirate of Crete. 1204 – The Siege of Château Gaillard ends in a French victory over King John of England, who loses control of Normandy to King Philip II Augustus.
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.
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.
August 5AD 25 – Guangwu claims the throne as Emperor of China, restoring the Han dynasty after the collapse of the short-lived Xin dynasty. 70 – Fires resulting from the destruction of the Second Temple in Jerusalem are extinguished. 642 – Battle of Maserfield: Penda of Mercia defeats and kills Oswald of Northumbria. 910 – The last major Danish army to raid England for nearly a century is defeated at the Battle of Tettenhall by the allied forces of Mercia and Wessex, led by King Edward the Elder and Æthelred, Lord of the Mercians.
March 26590 – Emperor Maurice proclaims his son Theodosius as co-emperor of the Byzantine Empire. 1021 – The death of the Fatimid caliph al-Hakim bi-Amr Allah, kept secret for six weeks, is announced, along with the succession of his son, al-Zahir li-i'zaz Din Allah. 1027 – Pope John XIX crowns Conrad II as Holy Roman Emperor. 1169 – Saladin becomes the emir of Egypt. 1344 – The Siege of Algeciras, one of the first European military engagements where gunpowder was used, comes to an end.
September 10506 – The bishops of Visigothic Gaul meet in the Council of Agde. 1419 – John the Fearless, Duke of Burgundy is assassinated by adherents of the Dauphin, the future Charles VII of France. 1509 – An earthquake known as "The Lesser Judgment Day" hits Constantinople. 1515 – Thomas Wolsey is invested as a Cardinal. 1547 – The Battle of Pinkie, the last full-scale military confrontation between England and Scotland, resulting in a decisive victory for the forces of Edward VI.
June 18618 – Li Yuan becomes Emperor Gaozu of Tang, initiating three centuries of Tang dynasty rule over China. 656 – Ali becomes Caliph of the Rashidun Caliphate. 860 – Byzantine–Rus' War: A fleet of about 200 Rus' vessels sails into the Bosphorus and starts pillaging the suburbs of the Byzantine capital Constantinople. 1053 – Battle of Civitate: Three thousand Norman horsemen of Count Humphrey rout the troops of Pope Leo IX. 1264 – The Parliament of Ireland meets at Castledermot in County Kildare, the first definitively known meeting of this Irish legislature.
January 20250 – Pope Fabian is martyred during the Decian persecution. 649 – King Chindasuinth, at the urging of bishop Braulio of Zaragoza, crowns his son Recceswinth as co-ruler of the Visigothic Kingdom. 1156 – Finnish peasant Lalli kills English clergyman Henry, the Bishop of Turku, on the ice of Lake Köyliö. 1265 – The first English parliament to include not only Lords but also representatives of the major towns holds its first meeting in the Palace of Westminster, now commonly known as the "Houses of Parliament".
May 2617 – Germanicus celebrates a triumph in Rome for his victories over the Cherusci, Chatti, and other German tribes west of the Elbe. 451 – Battle of Avarayr between Armenian rebels and the Sasanian Empire takes place. The Sasanids defeat the Armenians militarily but guarantee them freedom to openly practice Christianity. 946 – King Edmund I of England is murdered by a thief whom he personally attacks while celebrating St Augustine's Mass Day. 961 – King Otto I elects his six-year-old son Otto II as heir apparent and co-ruler of the East Frankish Kingdom.