1976 Event Minister Irene Vorrink begins fluoridating Dutch drinking water 1955 Death Koos [Jacobus J] Vorrink, Dutch soc-democrat (SDAP/AJC/PvdA), dies at 64 1924 Event Koos Vorrink elected President of AJC 1918 Birthday Irene Vorrink, Dutch minister, health and environment 1891 Birthday Koos [Jacobus J] Vorrink, Dutch politician, SDAP/AJC/PvdA
