Neither is true of course , but two centuries after the tradition began , media outlets still try to in an unofficial yearly competition 有些人说，愚人节始于16世纪格里历即目前通用的公历诞生的时候。
2.
Dates on or after 15th october 1582 are considered to be in the gregorian calendar . dates before this are considered to be in the julian calendar 1582年10月15日及之后的日期将视作格里历日期，之前日期将视作儒略历日期。
3.
In 1564 , france adopt new chronology gregorian calendar ( be the solar calendar being applied or used universally at present ) reforming , beginning of taking january 1 as 1 year first 1564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1月1日为一年之始。
4.
Some say april fool ' s day started with the creation of the gregorian calendar in the 16th century , which changed the starting date of the new year from april 1 - or april fool ' s day - to jan . 1 ; others point to indian and roman festivals that celebrated tomfoolery 格里历将新年的第一天由4月1日愚人节改成了1月1日有的人则认为，愚人节起源于印度和罗马“庆祝滑稽行为”的节日。
