《资治通鉴·宋纪·宋纪五》
三月，癸未，北魏国主拓跋焘下诏命令五十岁以下的和尚，一律还俗。
三月，癸未，魏主诏罢沙门年五十已下者。
In March, Guimei, the Northern Wei emperor Tuoba Tao issued an imperial edict ordering all monks under the age of 50 to return to the secular world.