April 1 » In the Eighty Years' War, the Watergeuzen capture Brielle from the Seventeen Provinces, gaining the first foothold on land for what would become the Dutch Republic.
July 9 » Nineteen Catholics suffer martyrdom for their beliefs in the Dutch town of Gorkum.
August 18 » Marriage in Paris, France, of the Huguenot King Henry III of Navarre to Margaret of Valois, in a supposed attempt to reconcile Protestants and Catholics.
August 23 » French Wars of Religion: Mob violence against thousands of Huguenots in Paris results in the St. Bartholomew's Day massacre.
October 20 » Eighty Years' War: Three thousand Spanish soldiers wade through fifteen miles of water in one night to effect the relief of Goes.
December 23 » Theologian Johann Sylvan is executed in Heidelberg for his heretical Antitrinitarian beliefs.
May 12 » French Wars of Religion: Henry III of France flees Paris after Henry I, Duke of Guise, enters the city and a spontaneous uprising occurs.
May 28 » The Spanish Armada, with 130 ships and 30,000 men, sets sail from Lisbon, Portugal, heading for the English Channel. (It will take until May 30 for all ships to leave port.)
May 30 » The last ship of the Spanish Armada sets sail from Lisbon heading for the English Channel.
July 29 » Anglo-Spanish War: Battle of Gravelines: English naval forces under the command of Lord Charles Howard and Sir Francis Drake defeat the Spanish Armada off the coast of Gravelines, France.
August 8 » Anglo-Spanish War: Battle of Gravelines: The naval engagement ends, ending the Spanish Armada's attempt to invade England.
When copying data from this family tree, please include a reference to the origin: Susan L Mort, "Mort Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/mort-family-tree/P1299.php : accessed April 30, 2025), "Frederick Oldenburg (1534-1588)".
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