長ちょう禄ろくちょうろくMeanings1nounChōroku era (1457–1460)Japanese era name spanning from 1457 to 1460. Used in historical contexts.長ちょう禄ろく年ねん間かんに起おきた出で来き事ごとを調しらべています。I am researching events that occurred during the Chōroku era.