1.1582, King Charles IX of France decided to adopt a new reform of chronology - the Gregorian calendar (ie common Gregorian calendar) to a pair of New Year's Day of this reform is still under the old calendar to send New Year's ceremony on this day to celebrate New Year. Who advocates reform of the old school big plus ridicule these practices, send them fake gifts, inviting them to participate in a fake party. Since then, people will make fun of this day to spread. When people fall, when people would make fun of him shouted: "April fool" ("POISSON D'AVRIL"), meaning "April prank." The origin of this idiom of the original meaning is unclear.
1.1582年，法国国王查理九世决定采用新改革的纪年法——格里高利历(即通用的阳历)，以元旦为一 对这种改革，依然按照旧的历法在这天送新年礼，庆祝新年。主张改革的人把守旧派这些做法大加嘲弄，给他们送假礼物，邀请他们参加假的聚会。从此，在这天捉弄人便流传开来。当人上当受骗的时候，捉弄他的人会大声叫：“四月之愚”(“POISSON D'AVRIL”)，意为“四月恶作剧”。这句成语的由来与原来之意义已不清楚。
Smart funny people in April gave them leave to send gifts, invite them to participate in sham conference has deceived the Tories called "April Fool" or "bait fish." Since then people have to fool each other on April 1, becoming popular custom in France. Early 18th century, the custom spread to England April Fool's Day, followed by Britain's early immigrants to the United States.
聪明滑稽的人在四月一日就给他们送假礼品，邀请他们参加假招待会.并把上当受骗的保守分子称为“四月傻瓜”或“上钩的鱼”。 从此人们在4月1日便互相愚弄，成为法国流行的风俗。18世纪初，愚人节习俗传到英国，接着又被英国的早期移民带到了美国。
2 According to British historian of research: Origins "April Fools' Day was established out of the Indian Buddhist phrase" reach the other side, "the words. The Englishman encyclopedia which is recorded the: after "April Fool" is the fifteenth century AD religious revolution began to appear a liar festival. Then King Philip II of Spain had established an "Inquisition" as long as it is deemed not Catholic heresy, sentenced to death in April each year, which is the death penalty. Subjects felt terrible, so every day is fun to make fun of lying to dilute the rulers of fear and hatred. Then, follow the course of time, evolved into today's "April Fool's Day."
2.据英国历史学家的考证：“愚人节”的起源乃是出于印度佛教那句“到达彼岸”的话。而英人百科全书里面则是记载着：“愚人节”乃是公元十五世纪宗教革命之后始出现的一个说谎节日。那时西班牙王腓力二世曾经建立一个“异端裁判所”，只要不是天主教徒就被视为异端，在每年四月一日处以极刑，也就是死刑。臣民们感到非常恐怖，于是每天以说谎取笑为乐，来冲淡对统治者之恐惧与憎恨。其后，沿用日久，演变为今日之“愚人节”。
3 According to legend, about one thousand six hundred and fifty years after the distance between the first man, Adam, God to flood to destroy the world, but leaving only the third son of Adam's descendants Mastermind Noah, a man of his preservation of a ship life size. After the flood instincts, he released a white dove of Noah, want to explore a piece of land after the flood subsided, because this day happens to be April 1. So later that in this day to do a meaningless things, like a dove made of white workers as stupid behavior, is the origin of "April Fool" is.
3.相传距人类始祖亚当之后约一千六百五十年间，上帝以洪水来毁灭世界，但仅留下亚当的第三个儿子慧德的后代诺亚，他以一条人造的大船保全了一家大小的生命。洪水稍退之后，诺亚便放出一只白鸽，想探求一块洪水消退之后的陆地，因为这一天正好是四月一日。所以后人认为，在这一天去做一种毫无意义的事，就好像一只白鸽做了白工一样，行为愚蠢，为“愚人节”之起源。
4 According to Roman residual membership records: Rome was held in early April each year, "Ginger Man will be" a year "Ginger Man will", when women dominate the god of white snow Lisi race Ping Luo Na picking daffodils in a very paradise, Wang met Hades Bodhisattva Colorado, two fall in love, mutual affection, Bodhisattva, Colorado will marry white race Ping Luo Na as the queen of Hades, when the two of them returned to the government, the laughing Bodhisattva eat errands in Colorado are the ghosts issued Fuchu sound, in order to fool the snow Lisi, while snow Lisi fruit be fooled, she followed the sound sources are looking for. Therefore, they are an annual "Man Jiang will" to "April Fools."
4.据古罗马残籍记载：罗马在每年四月初举行“蔓姜会”，某年“蔓姜会”，主宰之神雪丽丝之女白洛赛苹娜在极乐园采摘水仙花时，遇见冥府王菩拉多，两人一见钟情，互相示爱，菩拉多便娶白洛赛苹娜为冥府王后，当他们两个返回地府时，菩拉多乃差使地府中之鬼怪发出吃吃之笑声，以愚弄雪丽丝，而雪丽丝果被愚弄，她乃循着声音的来源寻觅。因此，他们便以每年之“蔓姜会”为“愚人节”。
5 According to Christian saying: "Fool's Day" is a day to commemorate Jesus' crucifixion, Jesus was crucified on the cross before, running around later forced to April 1 to commemorate this day he is innocent of such crucified man alive, in fact, contains a sense of vigilance.
5.根据基督教徒的说法是：“愚人节”是为了纪念耶稣受难的日子，耶稣被钉死在十字架之前，被迫到处奔走后人以四月一日这一天来纪念他此种无辜地被人活活钉死，其实含有警惕之意义。
6 April Fool's Day and the Roman festival of music play (Hilaria, 3 May 25) and India joyous festival (Holi, until March 31 ) there are similarities .
6.愚人节与古罗马的嬉乐节(Hilaria，3月25日)和印度的欢悦节(Holi，到3月31日为止)有相似之处。
7 In the choice of timing , and the " vernal equinox " relevant , this time the weather often changes suddenly , like a fool human nature .
7.在时间的选择，与“春分”有关，在这时间天气常常突然变化，恰似是大自然在愚弄人类。
8 The UK has a folklore that April Fool's Day with the one called " Gotham " about town . Legend in the 13th century there is such a tradition , all the king inspected the road will be reverted to the public domain . Gotham 's citizens do not want to lose their trunk , so spread a rumor , hoping to prevent the king's tour. King then went to inquire about sending official news , news official after reaching towns and villages, streets were found Fengsha person. King gave up inspection plan. So he came by the April Fool's Day Memorial Gotham town people lie.
8.英国有一个民间传说，认为愚人节与一个名叫“哥谭镇”的城镇有关。传说在13世纪有这样一个传统，凡是国王巡视过的道路都会收归公共所有。哥谭镇的民众不愿失去他们的主干道，于是散布了谣言，希望能够阻止国王的巡视。国王遂派遣消息官前去打探，消息官到达村镇之后，发现满街都是疯傻之人。国王便放弃了巡视的计划。于是愚人节便由纪念哥谭镇镇民的谎言而来。
9 clown says professor emeritus of American humor at Boston University, USA Joseph - Persian historical origins of April Fool's gold to put forward their own views , he believes Fool's Day originated in a joke. In 1983, the Persian King once said that the concept of April Fool's from Rome clown three to four centuries AD Constantine I Roman period. It was said that clowns successfully petitioned the ruler , the ruler allows them to elect one member in a given day can become king. Thus, in April the same day , Constantine I the right to rule the Roman Empire to him a clown - Kuji Er king. Kuji Er then decreed that April 1 will never be as absurd day. Persian Jinjie Shao said at the time the agency did not have much interest in this topic. " I think I should have because of this bizarre story and praised by everyone ."
9.小丑说美国波士顿大学美国幽默学名誉教授约瑟夫-波斯金对愚人节的历史起源提出了自己的见解，他认为愚人节起源于开玩笑。1983年，波斯金曾经表示，愚人节的概念来自公元三到四世纪罗马君士坦丁一世时期的罗马小丑。据说，当时小丑们向统治者请愿成功，统治者允许他们推举一名成员在某一天中能够成为国王。因此，在四月一日当天，君士坦丁一世将罗马帝国的统治权交给了他的一个小丑--库吉尔国王。库吉尔随即颁布法令，将四月一日永远定为荒谬的一天。波斯金介绍说，当时的通讯社并没有对这个话题有太大的兴趣。“我认为我本应该因为这个离奇的故事而被大家称赞。”