How Was The Calendar Invented? http://bit.ly/1m6qu2o Subscribe! http://bitly.com/1iLOHml The Gregorian calendar is the most widely used calendar, but it's far ...
========== On December 21st 2012, the world was supposed
to end. Many believed that the Mayan calendar would be ending, and so would all life on
earth. Of course, most of us don’t use the ancient Mayan calendar, and the world didn’t
end. So we wanted to know, why are there so many different calendars? Well, nearly all calendars fall under three
types: lunar, solar, and lunisolar. There are actually dozens of different calendars,
many of which build off each other and are incredibly similar. The most widely recognized non-religious calendar
in the Western World is the Gregorian calendar. In 46 BC, Roman Emperor Julius Caesar instituted
the Julian Calendar, which was almost identical to the one we use today. It had 12 months,
and a year was defined as 365.25 days. A millenia and a half later in ...