in the 16th century, people celebrated new year's day from march 25 to april 1. later, king charles ix changed new year's day to january 1. but some people who lived in countryside did not the news; they still celebrated new year on april 1, so others laughed at them and called them april fools.

　　"愚人节的起源"英语作文译文:

　　愚人节是可以向别人开玩笑的节日。没人知道它是从什么时候开始的，但人们认为它起源于法国。

　　在16世纪，人们从三月25日到四月一日庆祝新年。查尔斯九世国王后来把新年的那一天改在了1月1日。但一些住在农村的人由于消息闭塞不知道这一变化，仍然在4月1日庆祝新年。于是人们嘲笑他们并把它们叫做"四月的傻瓜"