Danish Queen Margrethe II marks 50 years on throne; longest serving(07) Save Image Image gallery: Meet Margrethe II Of Denmark: The Longest-Reigning Monarch In European History
:max_bytes(150000):strip_icc():focal(999x0:1001x2)/queen-margrethe-ii-1-e49c508fb51d44fe9fd8679495519ee7.jpg "Meet Denmark's Royals Your Guide to the Danish Monarchy's Family Tree")
