Jan 29 Mathematician John Napier dedicates his "Plaine Discovery of the Whole Revelation of St. John" to King James VI, predicts end of the world in 1688 or 1700
Feb 19 Having already inherited the throne of the Polish-Lithuanian Commonwealth through his mother, Catherine Jagellonica of Poland, Sigismund III of the House of Vasa is crowned King of Sweden, succeeding his father John III of Sweden.
Apr 15 Fleming Pieter Stevens appointed royal painter of Rudolf II (Prague)
May 22 Earl Mauritius and Willem Louis begins siege of Groningen
Event of Interest
Jun 11Philip II recognized the rights and privileges of the local nobles and chieftains in the Philippines, which paves way to the creation of the Principalía (i.e., elite ruling class of native nobility in Spanish Philippines)
Jul 23 Groningen surrenders to Count Mauritius/Willem Louis