February 7457 – Leo I becomes the Eastern Roman emperor. 987 – Bardas Phokas the Younger and Bardas Skleros, Byzantine generals of the military elite, begin a wide-scale rebellion against Emperor Basil II. 1301 – Edward of Caernarvon (later king Edward II of England) becomes the first English Prince of Wales. 1313 – King Thihathu founds the Pinya Kingdom as the de jure successor state of the Pagan Kingdom. 1365 – Albert III of Mecklenburg (King Albert of Sweden) grants city rights to Ulvila (Ulvsby).
February 13962 – Emperor Otto I and Pope John XII co-sign the Diploma Ottonianum, recognizing John as ruler of Rome. 1322 – The central tower of Ely Cathedral falls on the night of 12th–13th. 1462 – The Treaty of Westminster is finalised between Edward IV of England and the Scottish Lord of the Isles. 1503 – Challenge of Barletta: Tournament between 13 Italian and 13 French knights near Barletta. 1542 – Catherine Howard, the fifth wife of Henry VIII of England, is executed for adultery.
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.
June 23229 – Sun Quan proclaims himself emperor of Eastern Wu. 1266 – War of Saint Sabas: In the Battle of Trapani, the Venetians defeat a larger Genoese fleet, capturing all its ships. 1280 – The Spanish Reconquista: In the Battle of Moclín the Emirate of Granada ambush a superior pursuing force, killing most of them in a military disaster for the Kingdom of Castile. 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.
June 2455 – Sack of Rome: Vandals enter Rome, and plunder the city for two weeks. 1098 – First Crusade: The first Siege of Antioch ends as Crusader forces take the city; the second siege began five days later. 1608 – The Colony of Virginia gets a charter, extending borders from "sea to sea". 1615 – The first Récollet missionaries arrive at Quebec City, from Rouen, France. 1676 – Franco-Dutch War: France ensured the supremacy of its naval fleet for the remainder of the war with its victory in the Battle of Palermo.
January 2798 – Trajan succeeds his adoptive father Nerva as Roman emperor; under his rule the Roman Empire will reach its maximum extent. 945 – The co-emperors Stephen and Constantine are overthrown and forced to become monks by Constantine VII, who becomes sole emperor of the Byzantine Empire. 1186 – Henry VI, the son and heir of the Holy Roman Emperor Frederick I, marries Constance of Sicily. 1302 – Dante Alighieri is condemned in absentia and exiled from Florence.
July 30762 – Baghdad is founded. 1419 – First Defenestration of Prague: A crowd of radical Hussites kill seven members of the Prague city council. 1502 – Christopher Columbus lands at Guanaja in the Bay Islands off the coast of Honduras during his fourth voyage. 1609 – Beaver Wars: At Ticonderoga (now Crown Point, New York), Samuel de Champlain shoots and kills two Iroquois chiefs on behalf of his native allies. 1619 – In Jamestown, Virginia, the first Colonial European representative assembly in the Americas, the Virginia General Assembly, convenes for the first time.
January 1738 BC – Octavian divorces his wife Scribonia and marries Livia Drusilla, ending the fragile peace between the Second Triumvirate and Sextus Pompey. 1362 – Saint Marcellus' flood kills at least 25,000 people on the shores of the North Sea. 1377 – Pope Gregory XI reaches Rome, after deciding to move the Papacy back to Rome from Avignon. 1524 – Giovanni da Verrazzano sets sail westward from Madeira to find a sea route to the Pacific Ocean. 1562 – France grants religious toleration to the Huguenots in the Edict of Saint-Germain.
June 16363 – Emperor Julian marches back up the Tigris and burns his fleet of supply ships. During the withdrawal, Roman forces suffer several attacks from the Persians. 632 – Yazdegerd III ascends the throne as king (shah) of the Persian Empire. He becomes the last ruler of the Sasanian dynasty (modern Iran). 1407 – Ming–Hồ War: Retired King Hồ Quý Ly and his son King Hồ Hán Thương of Hồ dynasty are captured by the Ming armies. 1487 – Battle of Stoke Field: King Henry VII of England defeats the leaders of a Yorkist rebellion in the final engagement of the Wars of the Roses.
June 15763 BC – Assyrians record a solar eclipse that is later used to fix the chronology of Mesopotamian history. 844 – Louis II is crowned as king of Italy at Rome by pope Sergius II. 923 – Battle of Soissons: King Robert I of France is killed and King Charles the Simple is arrested by the supporters of Duke Rudolph of Burgundy. 1184 – The naval Battle of Fimreite is won by the Birkebeiner pretender Sverre Sigurdsson. Sigurdsson takes the Norwegian throne and King Magnus V of Norway is killed.
