Chōroku
Japanese era from September 1457 to December 1460
Chōroku (長禄) was a Japanese era name (年号, nengō; lit. "year name") after Kōshō and before Kanshō. This period spanned the years from September 1457 through December 1460. The reigning emperor was Go-Hanazono-tennō (後花園天皇).
Change of era
1457 Chōroku gannen (長禄元年): The era name was changed to mark an event or a number of events. The old era ended and a new one commenced in Kōshō 3.
Events of the Chōroku era
1457 (Chōroku 1'): Tarō Sayemon attempted to retrieve the Sacred Jewel for Emperor Go-Hanazono; and he actually did manage to gain possession of it for a brief time. A counterattack prevented the success of this dangerous mission in Yoshino. In 1443 (Kakitsu 3, 23rd day of the 9th month), an armed group of rebels penetrated the palace defenses. A fire was started and one of the men sought to kill Emperor Go-Hanazono, but the emperor escaped.
This brief starts where responsible research should: with the source description of “Chōroku” as japanese era from September 1457 to December 1460. Everything that follows is an evidence route, not borrowed authority.
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The subject matters to the general reference register because the source frames it as japanese era from September 1457 to December 1460. Its deeper value depends on whether names, dates, institutions and citations support that framing.
The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Jul 25, 2026. The linked authority identifier is Q1193524. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1457, 1460 and 1443.
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This entry incorporates text from “Chōroku” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.