January–March •
January 6 – The
Electorate of Saxony merges with the
Margravate of Meissen and the
Duchy of Saxe-Wittenberg. •
February 11 –
Hundred Years War: The island of
Tombelaine, off of the coast of France, is taken by English forces in order to be used as a base to attack
Mont Saint-Michel. •
March 7 – After failing to defeat Hushang Shah in a siege of
Salangpur, the
Gujarat Sultan Ahmad Shah I is attacked by Hushang's army while on his way back to
Ahmedabad. He wins the battle and resumes his trip home.
April–June •
April 13 –
Hundred Years' War: The
Treaty of Amiens is signed as a mutual defense treaty between the Duchy of Burgundy, the Duchy of Brittany and the Kingdom of England. •
April 15 –
Francesco Foscari is elected the new
Doge of the
Republic of Venice after the death of
Tommaso Mocenigo. He will serve as the Venetian Republic's executive for 34 years before being forced to abdicate a few days before his death in 1457. •
April 27 –
Hussite Wars –
Battle of Hořice: The
Taborites decisively beat the
Utraquists. •
April 28 –
Ashikaga Yoshimochi abdicates as
shogun of
Japan and is succeeded by his son,
Ashikaga Yoshikazu. •
May 18 – The
Treaty of Melno signed on September 27 to end the
Gollub War between the
State of the Teutonic Order (on the Baltic Sea, with a capital at
Marienburg) and the alliance of Poland and Lithuania, is ratified by all three parties. •
May 22 –
Byzantine–Ottoman Wars: After a two-day battle,
Turakhan Beg, Ottoman governor of
Thessaly, breaks through the
Hexamilion wall, and ravages the
Peloponnese Peninsula in Greece. •
May 23 – The Sultan of Gujarat,
Ahmad Shah I is finally able to return home to reassume the throne. as the Avignon clergy disagree with
Pope Martin V of Rome.
July–September •
July 10 –
Pope Martin V gives his approval of the
Treaty of Melno. over
Scutari, and other former possessions of
Zeta, captured by the Venetians. •
August –
China's
Emperor Cheng Zu launches his
fourth campaign against the
Northern Yuan. •
September 14 – The first occupation force from the Republic of Venice arrives at the Greek city of Thessalonia, recently purchased from the Ottoman Empire with six galleys entering the harbor. •
September 26 –
Hundred Years' War: The
Battle of La Brossinière is fought in France near
Bourgon in what is now the
Mayenne département. The English force of 2,800 men, under the command of Sir John De la Pole, is crushed by the armies of France, Anjou and Maine, and the English suffer more than 1,400 deaths. •
September 28 – The English nobility swear their loyalty to
King Henry VI.
October–December •
October 20 – The Second Parliament of King Henry VI of England assembles after having been summoned on September 1. The House of Commons, led by
John Russell, will consider laws until its adjournment on February 28. •
November 16 – On behalf of the infant
King Henry VI of England,
Duke of Bedford, Regent for France, confirms the
1315 Norman Charter. •
November 17 – Three weeks before his second birthday, King
Henry VI of England is brought before the assembled members of the House of Lords and the House of Commons for the first time. •
December 15 – After a two-year expedition to Byzantium,
Giovanni Aurispa arrives in Venice with largest and finest collection of Greek language texts up to that time, including 238 ancient manuscripts. •
December 24 –
Hussite Wars: In what is now the
Czech Republic, General
Sigismund Korybut, commander of the
Hussite Army, withdraws his troops from
Prague on the orders of
Vytautas,
Grand Duke of Lithuania and
Władysław II Jagiełło, King of Poland.
Date unknown • The three independent boroughs of
Pamplona are united into a single town by royal decree, after centuries of feuds. •
Dan II of Wallachia, with Hungarian help, wins two battles against the Ottomans. == Births ==