July 5328 – The official opening of Constantine's Bridge built over the Danube between Sucidava (Corabia, Romania) and Oescus (Gigen, Bulgaria) by the Roman architect Theophilus Patricius. 1316 – The Burgundian and Majorcan claimants of the Principality of Achaea meet in the Battle of Manolada. 1594 – Portuguese forces under the command of Pedro Lopes de Sousa begin an unsuccessful invasion of the Kingdom of Kandy during the Campaign of Danture in Sri Lanka. 1610 – John Guy sets sail from Bristol with 39 other colonists for Newfoundland.
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.
May 131373 – Julian of Norwich has visions of Jesus while suffering from a life-threatening illness, visions which are later described and interpreted in her book Revelations of Divine Love. 1501 – Amerigo Vespucci, this time under Portuguese flag, set sail for western lands. 1568 – Mary Queen of Scots is defeated at the Battle of Langside, part of the civil war between Queen Mary and the supporters of her son, James VI. 1612 – Sword duel between Miyamoto Musashi and Sasaki Kojiro on the shores of Ganryū Island.
March 241199 – King Richard I of England is wounded by a crossbow bolt while fighting in France, leading to his death on April 6. 1387 – English victory over a Franco-Castilian-Flemish fleet in the Battle of Margate off the coast of Margate. 1401 – Turco-Mongol emperor Timur sacks Damascus. 1603 – James VI of Scotland is proclaimed King James I of England and Ireland, upon the death of Elizabeth I. 1603 – Tokugawa Ieyasu is granted the title of shōgun from Emperor Go-Yōzei, and establishes the Tokugawa shogunate in Edo, Japan.
February 26747 BC – According to Ptolemy, the epoch (origin) of the Nabonassar Era began at noon on this date. Historians use this to establish the modern BC chronology for dating historic events. 364 – Valentinian I is proclaimed Roman emperor. 1266 – Battle of Benevento: An army led by Charles, Count of Anjou, defeats a combined German and Sicilian force led by Manfred, King of Sicily. Manfred is killed in the battle and Pope Clement IV invests Charles as king of Sicily and Naples.
August 38 – Roman Empire general Tiberius defeats the Dalmatae on the river Bosna. 435 – Deposed Ecumenical Patriarch of Constantinople Nestorius, considered the originator of Nestorianism, is exiled by Roman Emperor Theodosius II to a monastery in Egypt. 881 – Battle of Saucourt-en-Vimeu: Louis III of France defeats the Vikings, an event celebrated in the poem Ludwigslied. 908 – Battle of Eisenach: An invading Hungarian force defeats an East Frankish army under Duke Burchard of Thuringia.
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.
March 141074 – Battle of Mogyoród: Dukes Géza and Ladislaus defeat their cousin Solomon, King of Hungary, forcing him to flee to Hungary's western borderland. 1590 – Battle of Ivry: Henry of Navarre and the Huguenots defeat the forces of the Catholic League under Charles, Duke of Mayenne, during the French Wars of Religion. 1647 – Thirty Years' War: Bavaria, Cologne, France and Sweden sign the Truce of Ulm. 1663 – According to his own account, Otto von Guericke completes his book Experimenta Nova (ut vocantur) Magdeburgica de Vacuo Spatio, detailing his experiments on vacuum and his discovery of electrostatic repulsion.
October 8314 – Constantine I defeats Roman Emperor Licinius, who loses his European territories. 451 – The first session of the Council of Chalcedon begins. 876 – Frankish forces led by Louis the Younger prevent a West Frankish invasion and defeat emperor Charles II ("the Bald"). 1075 – Dmitar Zvonimir is crowned King of Croatia. 1200 – Isabella of Angoulême is crowned Queen consort of England. 1322 – Mladen II Šubić of Bribir is deposed as the Croatian Ban after the Battle of Bliska.
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.