January – March •
January 6 –
Henry VII, the future Holy Roman Emperor, is crowned
King of Italy in
Milan with a mock-up of the
Iron crown of
Lombardy. The Tuscan Guelphs refuse to attend the ceremony and begin preparing for resistance against Henry's rule. Henry approves the despotic regimes of
Matteo I Visconti in Milan and
Cangrande I della Scala in
Verona. The cities of
Piedmont and Lombardy submit to Henry – in accordance with the proclaimed program of peace and justice.
Florence and their Guelph (anti-imperialist) allies in
Tuscany and
Romagna move to defend themselves against Henry's accession. •
February 12 –
Milan Uprising: German forces under
Baldwin of Luxembourg (brother of Henry VII) crush the Italian Guelph troops, led by
Guido della Torre in Milan. A contingent of
Teutonic Knights kills and disperses most of the rebels in a single cavalry charge. Guido della Torre escapes, and is condemned to death in absence by Henry. •
March 20 –
King Ferdinand IV, known as "Ferdinand the Summoned", grants new privileges to the
Catholic Church within the
Kingdom of Castile during an assembly at
Palencia. In April, Ferdinand becomes seriously ill and is transferred to
Valladolid, despite the opposition of his wife, Queen
Constance, who wishes to transfer him to
Carrión de los Condes (northern
Spain).
April – June •
April 7 • In Asia,
Ayurbarwada Buyantu Khan is proclaimed as the Mongol Emperor Renzong of Yuan Dynasty China, 10 weeks after the death of his brother,
Külüg Khan. •
Battle of Woplauken: In Europe, the
Teutonic Knights defeat the
Grand Duchy of Lithuania. •
April 26 –
King Henry VII of Italy razes the city walls of
Cremona after suppressing the rebellion of the Torriani family against his rule. •
April 27 –
Pope Clement V, having decided to let the
Council of Vienne determine the question of whether the late
Pope Boniface VIII had been guilty of heresy, officially excuses
King Philip IV of France from any condemnation of Boniface. •
May 29 –
Sancho the Peaceful of Barcelona becomes the new
King of Majorca, a set of islands in the
Mediterranean Sea (now Spain's
Balearic Islands) after the death of his father,
King Jaume II •
June 9 – The painting
Maestà the master work of the Italian artist
Duccio di Buoninsegna, is unveiled at the
Siena Cathedral in the
Republic of Siena. •
June 11 –
Boleslaw III the Wasteful, Duke of Wroclaw, renounces his claims to the throne of the
Kingdom of Poland •
June 25 –
Matthew III Csák, the
Palatine of Hungary, attempts to expand his territory within the kingdom and pillages the area around the town of
Buda (now half of the city of
Budapest.
July – September •
July 6 •
Bolad, who had served as the Mongol Empire's representative in the Middle East as Ikhanate, is appointed as the Duke of Ze by the Mongol Emperor of Yuan dynasty China, Ayurbarwada Buyantu Khan • Eleven days after beginning his siege of Buda, Matthew III Csak is excommunicated by
Gentile Portino da Montefiore, the Roman Catholic Cardinal sent by
Pope Clement V. •
July 13 –
Matteo I Visconti is restored to rule over the
Duchy of Milan after purchasing the title of imperial vicar from the new King of Italy, Henry VII. •
July 25 – At Algeciras a fleet of Marinid ships, arrives after being sent by Morocco's Sultan
Abu Sa'id Uthman II, who was attempting to restore the Muslim presence. •
August 13 –
Pietro Gradenigo,
Doge of the
Republic of Venice since 1289, dies after a reign of 22 years.
Marino Zorzi is elected by the Venetian nobles to replace Gradenigo as the republic's chief executive officer. •
August 16 – The
Parliament of England presents the
Ordinances of 1311 to
King Edward II (document dated 5 October; published on 11 October); these substitute the 21 Lord Ordainers for the King as the effective government of the country. •
September 5 – In the northeastern part of the Kingdom of Hungary, in what is now the
Republic of Slovakia, the oligarch
Amadeus Aba is assassinated by rebels at the south gate of
Košice. •
September 16 – After a four-month siege, Guelph rebels in the Italian city of
Brescia surrender to
Cangrande I della Scala, Lord of Verona and officer of King Henry VII.
October – December •
October 3 – Peace is restored in northeastern Hungary as the envoys of King Charles I arbitrate and agreement between the rebels at
Košice and the two sons of the late
Amadeus Aba, Amadeus II and Dominic. •
October 11 – The
Ordinances of 1311 are published in England by
King Edward II, restricting the power of the monarchs of England. •
October 28 – King Ferdinand IV of Castile signs the Concord of Palencia with the principal magnates of the rest of the kingdom (including his brother, Prince John of Castile), promising to respect the customs and privileges of the subjects of his towns, and as well as to not deprive the nobles of the rents and lands that belong to the Crown. •
November 5 – Eight days after the signing of the Concord of Palencia, John of Castile violates his promise to his nephew Ferdinand IV and enters into an alliance with Juan Núñez II de Lara. •
November 13 – (1
Ocho, 22nd day of 9th month)
Munenobu Hojo becomes the regent for the
Kamakura Shogunate (to July 1312). •
November 23 –
Pope Clement V appoints
Jens Grand, the Danish-born
Prince-Archbishopric of Bremen, as the arbiter of a dispute between the
Archbishopric of Riga (at the time of
Terra Mariana, now the
Republic of Latvia) and
Teutonic Prussia (now part of Poland). •
November 29 –
Alboino I della Scala, the Lord of Verona, dies and is succeeded by his brother
Cangrande. •
December 26 –
Al-Mahdi Muhammad bin al-Mutahhar, the
Shi'ite Muslim Imam of the
Zaidiyyah state in
Yemen, leads Zaidi troops to victory in a battle in the Sheref district against the
Sunni Muslim Rasulid sultanate that dominates most of Yemen. A 10-year ceasefire agreement is brokered between Zaidiyyah and the Rasulid Sultan
al-Mu'ayyad Da'udsultan. == By place ==