1433

January–December

• Winter - Much of the English town of Alnwick is burnt by a Scottish raiding party.
• May 31 - Sigismund is crowned Holy Roman Emperor in Rome. There has been no crowned Emperor since the death of his father, Charles IV, in 1378.
• August 14 - Edward I becomes King of Portugal.
• September - Cosimo de' Medici, later the de facto ruler of Florence and patron of Marsilio Ficino, is exiled by the Albizzi/Strozzi faction.
• October - Iliaș of Moldavia is dethroned by his brother Stephen II.
• December - Kalantiaw supposedly promulgates the legal code eventually referred to as the Code of Kalantiaw.

  Date unknown

• The Ming Dynasty in China disbands their naval fleet, after the last great maritime expedition, led by Admiral Zheng He, altering the balance of power in the Indian Ocean, and making it easier for Portugal and other Western naval powers to gain dominance over the seas.
• In Ming Dynasty China, cotton is listed as a permanent item of trade, on the tax registers of Songjiang prefecture.