1934January 1934 February 1934 January 1 – The International Telecommunication Union, a specialist agency of the League of Nations, is established. January 15 – The 8.0 Nepal–Bihar earthquake strikes Nepal and Bihar with a maximum Mercalli intensity of XI (Extreme), killing an estimated 6,000–10,700 people. January 26 – A 10-year German–Polish declaration of non-aggression is signed by Nazi Germany and the Second Polish Republic.
March 1509 BC – Publius Valerius Publicola celebrates the first triumph of the Roman Republic after his victory over the deposed king Lucius Tarquinius Superbus at the Battle of Silva Arsia. 293 – Emperor Diocletian and Maximian appoint Constantius Chlorus and Galerius as Caesars. This is considered the beginning of the Tetrarchy, known as the Quattuor Principes Mundi ("Four Rulers of the World"). 350 – Vetranio proclaims himself Caesar after being encouraged to do so by Constantina, sister of Constantius II.
July 14982 – King Otto II and his Frankish army are defeated by the Muslim army of al-Qasim at Cape Colonna, Southern Italy. 1223 – Louis VIII becomes King of France upon the death of his father, Philip II. 1420 – Battle of Vítkov Hill, decisive victory of Czech Hussite forces commanded by Jan Žižka against Crusade army led by Sigismund, Holy Roman Emperor. 1430 – Joan of Arc, taken by the Burgundians in May, is handed over to Pierre Cauchon, the bishop of Beauvais.
November 18326 – The old St. Peter's Basilica is consecrated by Pope Sylvester I. 401 – The Visigoths, led by king Alaric I, cross the Alps and invade northern Italy. 1095 – The Council of Clermont begins: called by Pope Urban II, it led to the First Crusade to the Holy Land. 1105 – Maginulfo is elected Antipope Sylvester IV in opposition to Pope Paschal II. 1210 – Pope Innocent III excommunicates Holy Roman Emperor Otto IV for invading the Kingdom of Sicily after promising to recognize papal control over it.
February 27380 – Edict of Thessalonica: Emperor Theodosius I and his co-emperors Gratian and Valentinian II declare their wish that all Roman citizens convert to Nicene Christianity. 425 – The University of Constantinople is founded by Emperor Theodosius II at the urging of his wife Aelia Eudocia. 907 – Abaoji, chieftain of the Yila tribe, is named khagan of the Khitans. 1560 – The Treaty of Berwick is signed by England and the Lords of the Congregation of Scotland, establishing the terms under which English armed forces were to be permitted in Scotland in order to expel occupying French troops.
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.
September 11145 – The main altar of Lund Cathedral, at the time seat of the archiepiscopal see of all the Nordic countries, is consecrated. 1173 – The widow Stamira sacrifices herself in order to raise the siege of Ancona by the forces of Emperor Frederick Barbarossa. 1355 – King Tvrtko I of Bosnia writes In castro nostro Vizoka vocatum from the Old town of Visoki. 1449 – Tumu Crisis: The Mongols capture the Emperor of China. 1529 – The Spanish fort of Sancti Spiritu, the first one built in modern Argentina, is destroyed by indigenous people.
November 6447 – A powerful earthquake destroys large portions of the Walls of Constantinople, including 57 towers. 963 – Synod of Rome: Emperor Otto I calls a council at St. Peter's Basilica in Rome. Pope John XII is deposed on charges of an armed rebellion against Otto. 1217 – The Charter of the Forest is sealed at St Paul's Cathedral, London by King Henry III, acting under the regency of William Marshall, 1st Earl of Pembroke which re-establishes for free men rights of access to the royal forest that had been eroded by William the Conqueror and his heirs.
1791January 1 – Austrian composer Joseph Haydn arrives in England, to perform a series of concerts. January 2 – Northwest Indian War: Big Bottom Massacre – The war begins in the Ohio Country, with this massacre. January 12 – Holy Roman troops reenter Liège, heralding the end of the Liège Revolution, and the restoration of its Prince-Bishops. January 25 – The British Parliament passes the Constitutional Act 1791, splitting the old province of Quebec into Upper and Lower Canada.
1799January 9 – British Prime Minister William Pitt the Younger introduces an income tax of two shillings to the pound, to raise funds for Great Britain's war effort in the French Revolutionary Wars. January 17 – Maltese patriot Dun Mikiel Xerri, along with a number of other patriots, is executed. January 21 – The Parthenopean Republic is established in Naples by French General Jean Étienne Championnet; King Ferdinand I of the Two Sicilies flees.
