April 30 » Mapuche leader Lautaro is killed by Spanish forces at the Battle of Mataquito in Chile.
July 6 » King Philip II of Spain, consort of Queen Mary I of England, sets out from Dover to war with France, which eventually resulted in the loss of the City of Calais, the last English possession on the continent, and Mary I never seeing her husband again.
August 10 » Battle of St. Quentin: Spanish victory over the French in the Italian War of 1551–59.
August 27 » The Battle of St. Quentin results in Emmanuel Philibert becoming Duke of Savoy.
When copying data from this family tree, please include a reference to the origin: Peter John Oswald, "Pop Oswald Tree", database, Genealogy Online (https://www.genealogieonline.nl/pop-oswald-tree/P25825.php : accessed December 5, 2025), "Robert THACKER (1510-1557)".
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