January–March •
January 19 – After the dismissal of
Al-Musta'in as Caliph of Cairo by the Sultan
Shaykh al-Mahmudi is declared unlawful by Islamic clerics, Shaykh arranges Al-Musta'in and three sons of the late
Sultan Faraj to be transferred away from Cairo to Alexandria. •
January 19 –
Joanna II,
Queen of Naples, issues a pardon for
Giacomo Orsini, who had rebelled against her predecessor, King
Ladislaus of Naples. •
February 15 – In Korea,
Grand Prince Yangnyeong of the
Joseon Kingdom and heir to the throne, causes a scandal that ends any possibility of becoming the next King. Yangnyeong courts the wife of another official and attempts to bring here into the royal palace in
Seoul, ending in his banishment from the royal household and being replaced on June 3, 1418. •
February 24 – An envoy of the Sultan of the Ottoman Empire, identified in Italian records as "Chamitzi", arrives in the
Republic of Venice to demand the release of Ottoman soldiers who had been taken as prisoners of war during the conflict between Venice and the Ottomans. The release of each nation's prisoners of war is unresolved and hinders peace negotiations. •
March 5 –
Alexios IV becomes the new
Emperor of
Trebizond (located in what is now Turkey along the
Black Sea) upon the death of his father,
Manuel III. •
March 10 – In
Bohemia,
Johannes Cardinalis von Bergreichenstein, rector of the
University of Prague issues a proclamation declaring that the theological teachings of the late
Jan Hus are doctrine confirmed for all Christians, leading to eventual condemnation by the Roman Catholic Church and the Pope for
heresy.
April–June •
April 5 –
Jean de Touraine, the
Dauphin of France and heir to the French throne as the eldest living son of King Charles VI, dies suddenly at the age of 18 from a suspected poisoning. Jean's 15-year-old brother,
Charles, becomes the new Dauphin. •
April 18 –
Frederick I, Elector of Brandenburg, is appointed to an additional position as Archchamberlain of the
Holy Roman Empire. •
April 29 –
Louis II,
Duke of Anjou, and former claimant to being King of Naples, dies at the age of 39 and is succeeded by his 13-year-old son,
Louis III. •
May 2 –
Władysław II Jagiełło, King of Poland and Grand Duke of Lithuania, remarries less than year after the death of his wife
Anna of Cilli, taking
Elizabeth Granowska as his third wife in a ceremony at
Sanok. Because the Polish nobles do not approve of the marriage, Elizabeth's coronation does not take place for six months. •
May 31 –
William,
Duke of Bavaria-Straubing and
Count of Holland, dies from an infection after being bitten by a dog. His death causes a conflict between his daughter
Jacqueline, Countess of Hainaut and his brother
John III, with Jacqueline receiving Holland, Zeeland and Hainaut, and John becoming the new Duke. •
June 2 – King Henry V of England issues an order directing penalties for wearing of an unauthorized
coat of arms, directing sheriffs, on the day of mustering of persons for an exhibition, to inquire in such cases "by whose gift he holds those arms or coats of arms, except for those who bore arms with us at the Battle of Aguincourt." •
June 24 – The earliest extant description of
Tynwald Day; the annual meeting of the
Isle of Man's
parliament (
Tynwald) is written down in law. Its first recorded use for the promulgation of laws dates to 24 June 1417, when Sir John Stanley presided. •
June 29 – An English fleet, led by
the Earl of Huntingdon, defeats a fleet of Genoese carracks and captures their admiral, the "Bastard of Bourbon". •
June 30 – In France, the Baron of
Trévoux reverses a ban against the town's Jewish population, and allows them to study the
Talmud without interference.
July–September •
July 27 – After being the last claimant to the papacy, the
Antipope Benedict XIII is excommunicated and deposed by the
Council of Constance, bringing to an end the
Great Western Schism. •
July 30 – King Henry V of England begins and invasion of France, where he wishes to claim the throne, taking with him 42,000 soldiers on a fleet of 1,500 ships. •
August 12 – King
Henry V of England begins using the
English language in correspondence back to
England from
France, where he is leading a campaign, marking the beginning of this king's continuous usage of English in prose, and the beginning of the restoration of English as an official language for the first time since the
Norman Conquest, some 350 years earlier. •
August 18 – King Henry V begins the
siege of Caen with bombardment of the walls using advanced weaponry. •
September 4 – English troops succeed in opening the gates of
Caen and begin a massacre of over 1,800 civilians. •
September 15 – At
Shamakhi (located in what is now the
Republic of Azerbaijan),
Khalilullah I becomes the new
Shirvanshah, ruler of the
Kingdom of Shirvan, following the death of his father, the
Shirvanshah Ibrahim I. •
September 20 –
Siege of Caen (1417): Guillaume de Montenay surrenders
Caen to English invaders led by King Henry V. The city remains under English control until
1450.c
October–December •
October 5 – King Henry V of England summons the English Parliament to assemble on November 16. •
October 31 – On
Hallowtide, by order of the Lord May
Henry Barton, street lighting is first used in
London, with lanterns to be hung out on winter evenings, lasting until the night of
Candlemas on February 2. •
November 9 – In what is now the Mediterranean coast of Spain, six-year-old
Muhammad VIII becomes the new Sultan of the
Emirate of Granada upon the death of his father, the
Sultan Yusuf III. •
November 11 – On
St. Martin's Day, with all three previous claimants to the office of Pope gone, the 53-member Council of Constance unanimously elects Oddone Colonna to be the new Pontiff. Colonna will take the name of
Saint Martin of Tours upon his consecration. •
November 16 – The English Parliament opens at Westminster for a 31-day session and re-elects
Roger Flower as Speaker of the House of Commons. •
November 19 – The coronation of Elizabeth Granowska as Queen consort of Poland takes place after King Wladyslaw receives a special dispensation from the Council of Constance. •
December 17 – The English Parliament closes and King Henry V gives royal assent to its one major law, the Attorney Act 1417, which provides that "All persons until the next parliament may make their attornies in wapentakes, hundreds, and court barons." •
December 20 –
Richard Talbot is appointed as the new
Archbishop of Dublin, leader of the Roman Catholic Church in Ireland, eight months after the death of the Archbishop
Thomas Cranley.
Date unknown •
Mircea cel Bătrân loses
Dobruja to the Ottomans and pays them tribute, thus preventing
Wallachia from becoming an Ottoman province. •
Chimalpopoca, son of
Huitzilihuitl, succeeds his father as
Tlatoani (monarch) of
Tenochtitlan (modern Mexico City) •
Imadaddin Nasimi, an Azerbaijani poet and the foremost proponent of
Hurufism, was flayed alive and executed in
Aleppo, Syria under the order of Aleppan ulema. == Births ==