Quercus robur the oak tree at Boscobel House, where the future King Charles II hid from his Parliamentarian pursuers in 1650 during the English Civil War; the tree has since been known as the Royal Oak. This event was celebrated nationally on 29 May as Oak Apple Day, which is continued to this day in some communities. ‘The Royal Oak’ is the third most popular pub name in Britain (541 in 2007) and has been the name of eight major Royal Navy warships. The naval associations are strengthened by the fact that oak was the main construction material for sailing warships. The
Royal Oak, Calgary Oak and Rocky Ridge. William D. Pratt School, a new middle school located near Royal Oak School, opened in 2016 serving students in grades 4-9 residing in Royal Oak and Rocky Ridge. It is named for Bill Pratt a longtime Calgary contracting general manager, who was chair of the Calgary Olympics, co-founder of the Canada Trail, and member of both the Olympic Order and the Order of Canada. Students in grades 10-12 from Royal Oak are served by Robert Thirsk High School in Arbour Lake, as well as St. Francis High School in Brentwood for students in the Catholic school