《后汉书·列传·章帝八王列传》
十五年，官吏认为日食阴盛，上奏请遣诸王侯就国。
十五年，有司以日食阴盛，奏遣诸王侯就国。
In the 15th year, officials believed that the solar eclipse was caused by the predominance of Yin, and submitted a memorial requesting that the various kings and princes be sent back to their feudal territories.