Birthday of Queen Frederica of Greece April 18, 2012 former monarchs German royals +4 Glücksburg Greece Greek royals Hanover King Constantine II Queen Sofia royalty former monarchs German royals Glücksburg Greece Greek royals Hanover King Constantine II Queen Sofia royalty
The Queen of Denmark's Ruby Jubilee April 18, 2012 Denmark Glücksburg Greece + Margrethe II Denmark Glücksburg Greece Margrethe II