Oct 19 Spanish galleon San Felipe is shipwrecked in Urado on the Japanese island of Shikoku en route from Manila to Acapulco. Incident leads to the crucifixion of 26 Christians who become known as the Twenty-Six Martyrs of Japan.
- Oct 24 -26] Battle at Kerestes: Ottoman beat Austria-Hungary & Germany
- Oct 25 Spanish fleet sails from Lisbon to Ireland
- Oct 31 English, French & Dutch delegates sign anti-Spanish "Triple Covenant"