January 369 – The Roman legions on the Rhine refuse to declare their allegiance to Galba, instead proclaiming their legate, Aulus Vitellius, as emperor. 250 – Emperor Decius orders everyone in the Roman Empire (except Jews) to make sacrifices to the Roman gods. 1521 – Pope Leo X excommunicates Martin Luther in the papal bull Decet Romanum Pontificem. 1653 – By the Coonan Cross Oath, the Eastern Church in India cuts itself off from colonial Portuguese tutelage. 1749 – Benning Wentworth issues the first of the New Hampshire Grants, leading to the establishment of Vermont.
January 31314 – Pope Sylvester I is consecrated, as successor to the late Pope Miltiades. 1208 – The Battle of Lena takes place between King Sverker II of Sweden and his rival, Prince Eric, whose victory puts him on the throne as King Eric X of Sweden. 1504 – The Treaty of Lyon ends the Italian War, confirming French domination of northern Italy, while Spain receives the Kingdom of Naples. 1578 – Eighty Years' War and Anglo-Spanish War: The Battle of Gembloux is a victory for Spanish forces led by Don John of Austria over a rebel army of Dutch, Flemish, English, Scottish, German, French and Walloons.
June 25524 – The Franks are defeated by 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. 1258 – War of Saint Sabas: In the Battle of Acre, the Venetians defeat a larger Genoese fleet sailing to relieve Acre. 1530 – At the Diet of Augsburg the Augsburg Confession is presented to the Holy Roman Emperor by the Lutheran princes and Electors of Germany.
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.
June 271358 – The Republic of Ragusa is founded. 1497 – Cornish rebels Michael An Gof and Thomas Flamank are executed at Tyburn, London, England. 1499 – Amerigo Vespucci sights what is now Amapá State in Brazil. 1556 – The thirteen Stratford Martyrs are burned at the stake near London for their Protestant beliefs. 1743 – In the Battle of Dettingen, George II becomes the last reigning British monarch to participate in a battle. 1760 – Anglo-Cherokee War: Cherokee warriors defeat British forces at the Battle of Echoee near present-day Otto, North Carolina.
June 12910 – Battle of Augsburg: The Hungarians defeat the East Frankish army under King Louis the Child, using the famous feigned retreat tactic of the nomadic warriors. 1240 – At the instigation of Louis IX of France, an inter-faith debate, known as the Disputation of Paris, starts between a Christian monk and four rabbis. 1381 – Peasants' Revolt: In England, rebels assemble at Blackheath, just outside London. 1418 – Armagnac–Burgundian Civil War: Parisians slaughter sympathizers of Bernard VII, Count of Armagnac, along with all prisoners, foreign bankers, and students and faculty of the College of Navarre.
January 29904 – Sergius III is elected pope, after coming out of retirement to take over the papacy from the deposed antipope Christopher. 946 – Caliph al-Mustakfi is blinded and deposed by Mu'izz al-Dawla, ruler of the Buyid Empire. He is succeeded by al-Muti as caliph of the Abbasid Caliphate. 1814 – War of the Sixth Coalition: France defeats Russia and Prussia in the Battle of Brienne. 1819 – Stamford Raffles lands on the island of Singapore. 1845 – "The Raven" is published in The Evening Mirror in New York, the first publication with the name of the author, Edgar Allan Poe.
June 13313 – The decisions of the Edict of Milan, signed by Constantine the Great and co-emperor Valerius Licinius, granting religious freedom throughout the Roman Empire, are published in Nicomedia. 1325 – Ibn Battuta begins his travels, leaving his home in Tangiers to travel to Mecca (gone 24 years). 1381 – In England, the Peasants' Revolt, led by Wat Tyler, comes to a head, as rebels set fire to the Savoy Palace. 1514 – Henry Grace à Dieu, at over 1,000 tons the largest warship in the world at this time, built at the new Woolwich Dockyard in England, is dedicated.
June 21533 (approximate date) – A Byzantine expeditionary fleet under Belisarius sails from Constantinople to attack the Vandals in Africa, via Greece and Sicily . 1307 – Külüg Khan is enthroned as Khagan of the Mongols and Wuzong of the Yuan. 1529 – French forces are driven out of northern Italy by Spain at the Battle of Landriano during the War of the League of Cognac. 1582 – Sengoku period: Oda Nobunaga, the most powerful of the Japanese daimyōs, is forced to commit suicide by his own general Akechi Mitsuhide.
June 51257 – Kraków, in Poland, receives city rights. 1284 – Battle of the Gulf of Naples: Roger of Lauria, admiral to King Peter III of Aragon, destroys the Neapolitan fleet and captures Charles of Salerno. 1288 – The Battle of Worringen ends the War of the Limburg Succession, with John I, Duke of Brabant, being one of the more important victors. 1610 – The masque Tethys' Festival is performed at Whitehall Palace to celebrate the investiture of Henry Frederick, Prince of Wales.
