Statistics for Longest Serving Rulers In History

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Polity	Reign	Answer	% Correct
British Empire	1952 AD - 2022 AD	Elizabeth II	96%
French Empire	1715 AD - 1774 AD	Louis XIV	83%
Japanese Empire	1926 AD - 1989 AD	Hirohito	75%
Roman Empire	27 BC - 14 AD	Augustus	67%
Russian Empire	1530 AD - 1584 AD	Ivan the Terrible	54%
Ottoman Empire	1520 AD - 1566 AD	Suleiman I	42%
Aztec Empire	1440 AD - 1469 AD	Moctezuma I	33%
Malian Empire	1312 AD - 1337 AD	Mansa Musa	29%
Holy Roman Empire	1452 AD - 1493 AD	Frederick III	21%
Neo-Babylonian Empire	605 BC - 562 BC	Nebuchadnezzar II	17%
Byzantine Empire	976 AD - 1025 AD	Basil II	13%
Egyptian Empire	2278 BC - 2184 BC	Pepi II	13%
Umayyad Caliphate	685 AD - 705 AD	Abd al-Malik	8%
Qing Dynasty	1661 AD - 1722 AD	Kangxi	8%
Sasanian Empire (Persia)	309 AD - 379 AD	Shapur II	8%