1490s

• January 4 – Anne of Brittany announces that all those who would ally with the king of France, will be considered as guilty of the crime of Lèse-majesté.
• March 13 – Charles II becomes Duke of Savoy at age 1; his mother Blanche of Montferrato is regent.
• March or April – 1490 Ch'ing-yang event, a presumed meteor shower or air burst over Qingyang in Ming dynasty China, said to have caused casualties.
• July 13 – John of Kastav finishes a cycle of frescoes in the Holy Trinity Church, Hrastovlje (modern-day southwestern Slovenia).
• November 20 – First edition of the chivalric romance Tirant lo Blanch by Joanot Martorell printed in Valencia.
• December 19 – Anne of Brittany is married to Maximilian I, Holy Roman Emperor by proxy.[1]

• Ashikaga Yoshitane becomes shōgun of Japan.
• Perkin Warbeck claims to be the son of King Edward IV of England, at the court of Burgundy.
• Traditional date of the Battle of Glendale (Skye) between the Scottish clans MacDonald and MacLeod.
• Catholic missionaries arrive in the African Kingdom of Kongo.
• Pêro da Covilhã arrives in Ethiopia.
• Regular postal service connects the Habsburg residences of Mechelen and Innsbruck, the first in Germany.
• Leonardo da Vinci observes capillary action, in small-bore tubes.
• Leonardo da Vinci develops an oil lamp: the flame is enclosed in a glass tube, placed inside a water-filled glass globe.
• All Saints' Church, the Schlosskirche in Wittenberg, is begun.
• Chinese scholar and printer Hua Sui invents bronze-metal movable type printing in China, although the earlier Wang Zhen had experimented with tin movable type in 1298.
• Tirant lo Blanch, by Joanot Martorell and Martí Joan de Galba, is published.
• Aldus Manutius moves to Venice.
• John Colet receives his M.A. from Magdalen College, Oxford.
• Johann Reuchlin meets Giovanni Pico della Mirandola.
• Merchants carry coffee from Yemen to Mecca (approximate date).

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