March 28 » The foundation stone of Valletta, Malta's capital city, is laid by Jean Parisot de Valette, Grand Master of the Sovereign Military Order of Malta.
April 5 » Two hundred Dutch noblemen, led by Hendrick van Brederode, force themselves into the presence of Margaret of Parma and present the Petition of Compromise, denouncing the Spanish Inquisition in the Seventeen Provinces.
When copying data from this family tree, please include a reference to the origin: David Popowich, "Popowich/Michalec/Steffler/May trees", database, Genealogy Online (https://www.genealogieonline.nl/popowich-michalec-steffler-may-trees/P3132.php : accessed May 10, 2025), "Barbara Mueller (± 1545-> 1575)".
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