**Longde** (龍德, May 921 – October 923) was the second era name of [[Later Liang (Five Dynasties)|Later Liang]]'s Last Emperor (末帝), [[Zhu Youzhen]] (朱友貞). It was used for about two years and six months. In the tenth month of the third year of Longde (923), Zhu Youzhen committed suicide, and Later Liang was destroyed. The Longde era name was discontinued thereafter.

Among the Ten Kingdoms that adopted the Longde era name were [[Min (Ten Kingdoms)|Min]] (May 921 – April 923) and [[Wuyue]] (May 921 – December 923).

## Changes of era

-   **[[Zhenming (Later Liang)|Zhenming]]** (貞明) 7th year, 5th month, 1st day[^1] (9 June 921): The era was changed to **Longde** (龍德).[^2][^3][^4][^5]

-   **Longde** (龍德) 3rd year, 10th month, 8th day[^6] (18 November 923): Later Liang was destroyed, and the Longde era name was discontinued.[^2][^3][^7][^5]

## Contemporaneous era names

### [[Korean era names|Korea]]

[[Goryeo]] (高麗)

-   [[Cheonsu (Goryeo)|Cheonsu]] (天授) (918 – 933)

[[Later Baekje]] (後百濟)

-   [[Jeonggae (Later Baekje)|Jeonggae]] (正開) (900 – 936)

### [[List of Chinese era names|China]]

[[Liao dynasty|Khitan]] (契丹)

-   [[Shence]] (神冊) (916 – 922)
-   [[Tianzan]] (天贊) (922 – 926)

[[Former Shu]] (前蜀)

-   [[Qiande (Ten Kingdoms)|Qiande]] (乾德) (919 – 924)

[[Southern Han]] (南漢)

-   [[Qianheng (Southern Han)|Qianheng]] (乾亨) (917 – 925)

[[Wu (Ten Kingdoms)|Yang Wu]] (楊吳)

-   [[Shunyi (era)|Shunyi]] (順義) (921 – 927)

[[Dazhanghe]] (大長和)

-   [[Zhenyou (Dazhanghe)|Zhenyou]] (貞祐) (921 – 924)

[[Khotan]] (于闐)

-   [[Tongjing (Khotan)|Tongjing]] (同慶) (912 – 966)

### [[Japanese era names|Japan]]

-   [[Engi]] (延喜) (901 – 923)
-   [[Enchō]] (延長) (923 – 931)

## Footnotes

[^1]: Year of Xinsi (辛巳年), 5th month, day Bingxu (丙戌日)
[^2]: [*Jiu Wudai Shi* (舊五代史) vol. 10, *Liang Shu* (梁書) 10 – Annals of Emperor Mo (末帝本紀) part 2](https://ko.wikisource.org/wiki/zh:舊五代史/卷10)
[^3]: [*Xin Wudai Shi* (新五代史) vol. 3, *Liang Benji* (梁本紀) 3 – Emperor Mo (末帝)](https://ko.wikisource.org/wiki/zh:新五代史/卷03)
[^4]: [*Zizhi Tongjian* (資治通鑑) vol. 271, *Later Liang Ji* (後梁紀) 6](https://ko.wikisource.org/wiki/zh:資治通鑑/卷271)
[^5]: [Korea Astronomy and Space Science Institute, Lunar-Solar Calendar Conversion](https://astro.kasi.re.kr/life/pageView/8)
[^6]: Year of Guiwei (癸未年), 10th month, day Wuyin (戊寅日)
[^7]: [*Zizhi Tongjian* (資治通鑑) vol. 272, *Later Tang Ji* (後唐紀) 1](https://ko.wikisource.org/wiki/zh:資治通鑑/卷272)