also: ぶんなん
noun
Bun'an era; Bunnan era
Japanese era name spanning 1444 to 1449. Used in historical contexts.
文安年間に起きた出来事を調べています。
I am researching events that occurred during the Bun'an era.
The era name is composed of 文 (literature, culture) and 安 (peace, stability). The exact historical derivation is uncertain.