Chinese emperors with the most era names

The emperor who changed the era name most often was Emperor Gaozong of Tang and Wu Zetian (Wu Zhou): 14 times.

The number of times the era name was changed during the reign, counting the first era name proclaimed on accession. These are the cases recorded in the official histories.

Top 27 of 327

Rank	Emperor	Reign	Era changes
1	Emperor Gaozong of TangTang · 649–683唐高宗 Táng Gāozōng李治 Lǐ Zhì	649–683	14
1	Wu ZetianWu Zhou · 690–705武則天 Wǔ Zétiān武曌 Wǔ Zhào	690–705	14
3	Emperor Wu of HanWestern Han · 141–87 BC漢武帝 Hàn Wǔdì劉徹 Liú Chè	141–87 BC	11
3	Emperor Hui of JinWestern Jin · 290–301; restored 301–307晉惠帝 Jìn Huìdì司馬衷 Sīmǎ Zhōng	290–301; restored 301–307	11
5	Emperor Renzong of SongNorthern Song · 1022–1063宋仁宗 Sòng Rénzōng趙禎 Zhào Zhēn	1022–1063	9
6	Sun HaoEastern Wu · 264–280吳末帝 Wú Mòdì孫晧 Sūn Hào	264–280	8
6	Emperor Ruizong of TangTang · 684–690; restored 710–712唐睿宗 Táng Ruìzōng李旦 Lǐ Dàn	684–690; restored 710–712	8
6	Emperor Lizong of SongSouthern Song · 1224–1264宋理宗 Sòng Lǐzōng趙昀 Zhào Yún	1224–1264	8
6	Emperor Chongzong of Western XiaWestern Xia · 1086–1139西夏崇宗 Xī Xià Chóngzōng李乾順 Lǐ Qiánshùn	1086–1139	8
10	Emperor Xuan of HanWestern Han · 74–49 BC漢宣帝 Hàn Xuāndì劉詢 Liú Xún	74–49 BC	7
10	Emperor Cheng of HanWestern Han · 33–7 BC漢成帝 Hàn Chéngdì劉驁 Liú Ào	33–7 BC	7
10	Emperor Huan of HanEastern Han · 146–168漢桓帝 Hàn Huándì劉志 Liú Zhì	146–168	7
10	Emperor Wu of LiangLiang · 502–549梁武帝 Liáng Wǔdì蕭衍 Xiāo Yǎn	502–549	7
10	Emperor Zhaozong of TangTang · 888–900; restored 901–904唐昭宗 Táng Zhāozōng李曄 Lǐ Yè	888–900; restored 901–904	7
15	Emperor Xian of HanEastern Han · 189–220漢獻帝 Hàn Xiàndì劉協 Liú Xié	189–220	6
15	Emperor Taiwu of Northern WeiNorthern Wei · 423–452北魏太武帝 Běi Wèi Tàiwǔdì拓跋燾 Tuòbá Tāo	423–452	6
15	Emperor Huizong of SongNorthern Song · 1100–1126宋徽宗 Sòng Huīzōng趙佶 Zhào Jí	1100–1126	6
18	Emperor An of HanEastern Han · 106–125漢安帝 Hàn Āndì劉祜 Liú Hù	106–125	5
18	Emperor Shun of HanEastern Han · 125–144漢順帝 Hàn Shùndì劉保 Liú Bǎo	125–144	5
18	Sun QuanEastern Wu · 229–252吳大帝 Wú Dàdì孫權 Sūn Quán	229–252	5
18	Emperor Xiaoming of Northern WeiNorthern Wei · 515–528北魏孝明帝 Běi Wèi Xiàomíngdì元詡 Yuán Xǔ	515–528	5
18	Emperor Xizong of TangTang · 873–888唐僖宗 Táng Xīzōng李儇 Lǐ Xuān	873–888	5
18	Wang JianFormer Shu · 907–918前蜀高祖 Qián Shǔ Gāozǔ王建 Wáng Jiàn	907–918	5
18	Emperor Taizong of SongNorthern Song · 976–997宋太宗 Sòng Tàizōng趙炅 Zhào Jiǒng	976–997	5
18	Emperor Zhenzong of SongNorthern Song · 997–1022宋真宗 Sòng Zhēnzōng趙恆 Zhào Héng	997–1022	5
18	Emperor Daozong of LiaoLiao · 1055–1101遼道宗 Liáo Dàozōng耶律洪基 Yélǜ Hóngjī	1055–1101	5
18	Emperor Yizong of Western XiaWestern Xia · 1048–1068西夏毅宗 Xī Xià Yìzōng李諒祚 Lǐ Liàngzuò	1048–1068	5

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