In Pictures: World's longest-reigning monarchs

Following the death of Thai king Bhumibol, Britain's Queen Elizabeth II now tops the list

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17:14 October 13, 2016
Sweden: King Carl XVI Gustaf, who turned 70 in late April, succeeded his grandfather, Gustaf VI Adolf, in September 1973. He and Queen Margrethe are first cousins.
Image by: Zarina Fernandes/ Gulf News
Compiled by: Shreeja Nair, Senior Web Editor