January 20 » The Mexican city of León is founded by order of the viceroy Don Martín Enríquez de Almanza.
March 8 » Spanish explorer Diego García de Palacio first sights the ruins of the ancient Mayan city of Copán.
March 25 » Jerome Savage takes out a sub-lease to start the Newington Butts Theatre outside London.
May 1 » Stephen Báthory, the reigning Prince of Transylvania, marries Anna Jagiellon and they become co-rulers of the Polish–Lithuanian Commonwealth.
July 11 » While exploring the North Atlantic Ocean in an attempt to find the Northwest Passage, Martin Frobisher sights Greenland, mistaking it for the hypothesized (but non-existent) island of "Frisland".
August 8 » The cornerstone for Tycho Brahe's Uraniborg observatory is laid on the island of Hven.
When copying data from this family tree, please include a reference to the origin: Henri Frebault, "Noblesse Européenne - European Nobility", database, Genealogy Online (https://www.genealogieonline.nl/noblesse-europeenne/I201925.php : accessed March 7, 2026), "Ottilie von Arnim (????-1576)".
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