1904 Event 2 prehistoric bones found in Weerdingerveen, Drenthe 1730 Event Willem Charles Henry Friso installed as viceroy of Drenthe 1701 Event Drenthe adopts Gregorian calendar (yesterday is 4/29/1701) 1701 Event Drenthe Netherlands adopts Gregorian calendar, tomorrow is May 12, 1701 1696 Event State of Drenthe accredits Willem III as mayor 1632 Event Henry Casimir I appointed viceroy of Drenthe 1625 Event Earnest Casimir of Nassau-Dietz appointed viceroy of Drenthe 1593 Event William Louis of Nassau becomes governor/viceroy of Drenthe 1580 Event Drenthe joins Union of Utrecht
