August 15
Events Pre-1600 636 – Arab–Byzantine wars: The Battle of Yarmouk between the Byzantine Empire and the Rashidun Caliphate begins. 717 – Arab–Byzantine wars: Maslama ibn Abd al-Malik begins the Second Arab Siege of Constantinople, which will last for nearly a year. 718 – Arab–Byzantine wars: Raising of the Second Arab Siege of Constantinople. 747 – Carloman, mayor of the palace of Austrasia, renounces his position as majordomo and retires to a monastery near Rome. His brother, Pepin the Short, becomes the sole ruler (de facto) of the Frankish Kingdom. 778 – The Battle of Roncevaux Pass takes place between the army of Charlemagne and a Basque army. 805 – Noble Erchana of Dahauua grants the Bavarian town of Dachau to the Diocese of Freising 927 – The Saracens conquer and destroy Taranto. 982 – Holy Roman Emperor Otto II is defeated by the Saracens in the Battle of Capo Colonna, in Calabria. 1018 – Byzantine general Eustathios Daphnomeles blinds and captures Ibatzes of Bulgaria by a ruse, thereby ending Bulgarian resistance against Emperor Basil II's conquest of Bulgaria. 1038 – King Stephen I, the first king of Hungary, dies; his nephew, Peter Orseolo, succeeds him. 1057 – King Macbeth is killed at the Battle of Lumphanan by the forces of Máel Coluim mac Donnchada. 1070 – The Pavian-born Benedictine Lanfranc is appointed as the new Archbishop of Canterbury in England. 1096 – Starting date of the First Crusade as set by Pope Urban II. 1185 – The cave city of Vardzia is consecrated by Queen Tamar of Georgia. 1224 – The Livonian Brothers of the Sword, a Catholic military order, occupy Tarbatu (today Tartu) as part of the Livonian Crusade. 1237 – Spanish Reconquista: The Battle of the Puig between the Moorish forces of Taifa of Valencia against the Kingdom of Aragon culminates in an Aragonese victory. 1248 – The foundation stone of Cologne Cathedral, built to house the relics of the Three Wise Men, is laid. (Construction is eventually completed in 1880.) 1261 – Michael VIII Palaiologos is crowned as the first Byzantine emperor in fifty-seven years. 1281 – Mongol invasion of Japan: The Mongolian fleet of Kublai Khan is destroyed by a "divine wind" for the second time in the Battle of Kōan. 1310 – The city of Rhodes surrenders to the forces of the Knights of St. John, completing their conquest of Rhodes. The knights establish their headquarters on the island and rename themselves the Knights of Rhodes. 1430 – Francesco Sforza, lord of Milan, conquers Lucca. 1461 – The Empire of Trebizond surrenders to the forces of Sultan Mehmed II. This is regarded by some historians as the real end of the Byzantine Empire. Emperor David is exiled and later murdered. 1483 – Pope Sixtus IV consecrates the Sistine Chapel. 1511 – Afonso de Albuquerque of Portugal conquers Malacca, the capital of the Malacca Sultanate. 1517 – Seven Portuguese armed vessels led by Fernão Pires de Andrade meet Chinese officials at the Pearl River estuary. 1519