Man'en

Man'en (万延) was a Japanese era name (年号, nengō, lit.

This period spanned the years from March 1860 through February 1861.

[1] The reigning emperor was Kōmei-tennō (孝明天皇).

The new era name is derived from an hortatory aphorism to be found in The Book of the Later Han: "With 100,000,000,000 descendants, your name will forever be recorded" (豊千億之子孫、歴万載而永延).

This article about a Japanese era name is a stub.