Longest reigning world leaders

Do you know these longest reigning monarchs and longest serving rulers?
The first answer is not verified, and speculated and/or disputed by some archaeologists.
Quiz by HelveticaBold
Last updated: September 21, 2016
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First submittedMarch 5, 2016
Times taken28
Average score30.8%
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Candidate for the longest reigning leader of all time
Pharaoh of Ancient Egypt
94 years
Pepi II Neferkare
Longest verifiable reigning monarch
King of Swaziland
82 years
Sobhuza II
Longest reigning monarch currently reigning
King of Thailand
69 years
Bhumibol Adulyadej
Longest ruling non-royal leader
Maximum leader of Cuba
52 years
Fidel Castro
Longest ruling non-royal leader currently ruling
President of Cameroon
40 years
Paul Biya
Longest reigning British monarch
64 years
Elizabeth II
Longest serving British prime minister
20 years
Sir Robert Walpole
Longest serving US president
4,422 days
Franklin D. Roosevelt
Longest reigning Roman Emperor
48 years
Theodosius II
Longest reigning pope
31 years
Pius IX
Longest reigning Malietoa of Samoa
45 years
Tanumafili II
Longest reigning Chinese emperor
Qing dynasty
61 years
Longest reigning sultan of the Ottoman empire
46 years
Suleiman the Magnificent
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