每年的四月一日,可能会有人给你开一个善意的玩笑,让你上一当。那是因为这天是西方民间传统的节日——愚人节。愚人节起源于法国,与历法改革有关系。一五六四年,法国首先采用新改革的纪年法——格里历(即目前通用的阳历),以一月一日为一年之始。但一些因循守旧的人反对这种改革,依然按照旧历固执地在四月一日这一天送礼品庆祝新年。主张改革的人对这些守旧者 On April 1 of each year, someone may want to start a goodwill joke about you. That is because this day is a festival of Western folk tradition - April Fool’s Day. April Fool’s Day originated in France, and calendar reform. In 1664, France first adopted the new reform of the calendar year, the Gregorian calendar (the common solar calendar), starting January 1 as the year. However, some unscrupulous people oppose such reforms and still, in accordance with the Lunar New Year, stubbornly give gifts on the April 1 day to celebrate the New Year. Advocates of reform to these old-timers