Horeki Age River Improvement Incident History of Kagoshima Prefecture

horeki age river improvement incident or nōbi plain river improvement incident big project of satsuma han intended divide rivers kiso river, nagara river , ibi river, in nagoya district between 1754 , 1755. these rivers 3 big rivers flowed in nōbi plain complicated geographical features , frequent floods. tokugawa ieshige, 9th edo shogunate ordered river improvement construction works done satsuma han, in order weaken satsuma han. hirata yukie (1704–1755) karō (家老, house elder), accepted construction works 947 people. works tremendously difficult , 51 samurais died , 33 people died of disease during construction works. hirata yukie committed seppuku great burden satsuma han. ironically, floods increased after works , modern technology completed works in meiji period under direction of johannis de rijke (1842–1913) dutch civil engineer , advisor japanese government.