April Fools' Day or All Fools' Day makes 1 April one of the most light-hearted days of the year (or the opposite depending on the kind of prank one plays). Here's an insight into the history and origin of this fun, special day.

Even though no one truly knows how and when April Fools' Day originated, there are plenty of theories as to how this day came about. One of the most popular theories is as follows: (via Tech Times)

"Many trace the origins of April Fools' Day back to 1582 when Pope Gregory XIII adopted the Gregorian Calendar, effectively moving New Year's Day from the end of March to 1 January. Though the change was widely publicized, some people didn't get the memo, while others simply didn't want to transition to the new calendar, so they continued to ring in the New Year at the end of March. Those who didn't make the change were mocked for their folly and called "April Fools."

Here's a roundup of some rather amusing April Fools' Day quotes and proverbs.