Who was the longest ruling emperor of China?
Emperor Kangzi
Qin Shi Huang
Qin Shi Huang
Emperor Xuanzong
Qin Shi Huang
Qin Shi Huang
Emperor Xuanzong
Puyi
Qin Er Shi
Yuan Shikai
Emperor Mingzong
Qin Er Shi Huang
Qin Shi Huang
Emperor Xianzong
Emperor Xuanzong
Qin Er Shi
Emperor Xizong
Puyi
Emperor Mingzong
Qin Er Shi Huang
Yuan Shikai
Qin Shi Huang
Emperor Xian
Emperor Xuanzong
Emperor Xianzong
Qin Er Shi
Kangxi
Puyi
Emperor Gaozong
Emperor Taizong
Emperor Xizong
Emperor Mingzong
Qin Er Shi Huang
Qin Shi Huang
Yuan Shikai
Emperor Wenxuan
Qin Er Shi
Puyi
Emperor Gaozong
Emperor Taizong
Emperor Xizong
Emperor Mingzong
Qin Er Shi Huang
Emperor Xian
Kangxi
Emperor Xuanzong
Qin Shi Huang
Emperor Xianzong
Yuan Shikai
Puyi
Qin Er Shi
Emperor Gaozong
Emperor Taizong
Emperor Xizong
Emperor Mingzong
Qin Er Shi Huang
Kangxi Emperor
Emperor Wenxuan
Kangxi
Qin Shi Huang
Emperor Xuanzong
Emperor Xian
Qin Er Shi
Emperor Gaozong
Emperor Xianzong
Emperor Taizong
Puyi
Emperor Xizong
Emperor Mingzong
Qin Er Shi Huang
Kublai Khan
Xuanzong
Emperor Ming
Kangxi Emperor
Qin Shi Huang
Kangxi
Qin Er Shi
Emperor Gaozong
Puyi
Emperor Taizong
Emperor Xuanzong
Emperor Xian
Emperor Xizong
Qin Er Shi Huang
Jiajing Emperor
Emperor Qin Shi Huang
Emperor Mingzong
Emperor Ming
Qin Shi Huang
Emperor Xianzong
Kangxi Emperor
Emperor Mingyuan
Kangxi
Puyi
Emperor Gaozong
Yuan Shikai
Emperor Taizong
Qin Er Shi
Emperor Xizong
Emperor Ming
Wu Zetian
Emperor Xuanzong
Kublai Khan
Emperor Qinzong
Emperor Xian
Qin Shi Huang
Daoguang Emperor
Daoguang
Qin Er Shi Huang
Yongle Emperor
Xuanzong
Puyi
Emperor Mingzong
Emperor Taizong
Kangxi Emperor
Qin Er Shi
Kangxi
Emperor Xianzong
Yongzheng
Jiajing Emperor
Emperor Gaozong
Jiaqing Emperor
Emperor Xizong
Emperor Ming
Wu Zetian
Emperor Taizu
Qin Shi Huang
Qin Er Shi Huang
Emperor Xuanzong
Daoguang
Emperor Mingzong
Kublai Khan
Taizong Emperor
Emperor Xian
Emperor Taizong of Tang
Emperor Taizong
Qin Er Shi
Emperor Taizong of Song
Emperor Qin Shi Huang
Puyi
Gaozong
Shunzhi
Emperor Ming
Wu Zetian
Kangxi Emperor
Daoguang Emperor
Qin Shi Huang
Hong Taiji
Zhengde Emperor
Qin Er Shi Huang
Emperor Xianzong
Emperor Xizong
Emperor Gaozong
Jiajing
Emperor Taizong
Puyi
Gaozong
Jiaqing Emperor
Daoguang
Emperor Mingzong
Cao Cao
Emperor Ming
Wu Zetian
Taizong Emperor
Emperor Xuanzong
Qin Er Shi
Xuanzong Emperor
Emperor Qinzong
Emperor Xian
Jiajing Emperor
Kangxi Emperor
Hong Taiji
Emperor Xuan
Qin Shi Huang
Taizong
Taizong of Tang
Emperor Taizu
Emperor Yuanwu
Kangxi
Emperor Xizong
Gaozong
Cao Pi
Emperor Ming
Wu Zetian
Qin Er Shi Huang
Taizong Emperor
Zhengde
Emperor Xianzong
Jiajing
Shunzhi
Puyi
Qin Er Shi
Guangxu
Emperor Wen
Pu Yi
Daoguang Emperor
Cao Cao
Hong Taiji
Emperor Xian
Emperor Taizong of Tang
Emperor Taizong