April 17 » Trial of Martin Luther over his teachings begins during the assembly of the Diet of Worms. Initially intimidated, he asks for time to reflect before answering and is given a stay of one day.
April 18 » Trial of Martin Luther begins its second day during the assembly of the Diet of Worms. He refuses to recant his teachings despite the risk of excommunication.
May 20 » Ignatius of Loyola is seriously wounded in the Battle of Pampeluna.
August 23 » Christian II of Denmark is deposed as king of Sweden and Gustav Vasa is elected regent.
August 29 » The Ottoman Turks capture Nándorfehérvár (Belgrade).
February 24 » Treaty of Nagyvárad between Holy Roman Emperor Ferdinand I and King John Zápolya of Hungary and Croatia.
July 25 » The city of Guayaquil is founded by the Spanish Conquistador Francisco de Orellana and given the name Muy Noble y Muy Leal Ciudad de Santiago de Guayaquil.
August 6 » Bogotá, Colombia, is founded by Gonzalo Jiménez de Quesada.
September 28 » Ottoman–Venetian War: The Ottoman Navy scores a decisive victory over a Holy League fleet in the Battle of Preveza.
October 28 » The Universidad Santo Tomás de Aquino is founded in what is now the Dominican Republic.
December 17 » Pope Paul III excommunicates Henry VIII of England.
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.
November 4 » Eighty Years' War: In Flanders, Spain captures Antwerp (after three days the city is nearly destroyed).
November 8 » Eighty Years' War: Pacification of Ghent: The States General of the Netherlands meet and unite to oppose Spanish occupation.
When copying data from this family tree, please include a reference to the origin: Weijerman, "Family tree Weijerman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weijerman/I6349.php : accessed February 15, 2026), "Margaretha von Salm Dhaun (1521-1576)".
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