1971 Birthday Marcel Boudesteyn, soccer player, Excelsior/FC Groningen 1966 Birthday Tim Spehr, born in Excelsior Springs, Missouri, catcher for the Montreal Expos 1963 Birthday Mike Snoei, born in Rotterdam, Holland, professional soccer player, coach, played for Feyenoord Rotterdam, Excelsior Rotterdam and Sparta Rotterdam 1918 Event Excelsior Maassluis soccer team forms in Maassluis 1902 Event Excelsior soccer team forms in Rotterdam 1893 Event Excelsior diamond (blue-white 995 carats) discovered
