The world's longestreigning monarchs BBC News(06) Save Image Image gallery: Margrethe II Is The Only Danish Monarch To Reign During Four Decades Of Peace And Prosperity
: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")
