Today I Found Out
How January 1st Became the New Year in Many Parts of the World (2017x46)
Air date: Feb 22, 2017
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In this video:
Since long before Caesar’s time, date keeping was dicey. In fact, the 355-day Roman calendar that immediately preceded Caesar’s Julian, worked on a four year cycle where every other year, an additional month was inserted between February (Februarius), the last month of that calendar year, and March (Martius), the first month of the year; this was done in order to catch the calendar up with the Earth’s orbit of the Sun. That additional month, called the Mensis intercalaris, brought in the missing 22 or 23 days, and to even things up, took another five days from February in the years it was present.
Want the text version?: http://www.todayifoundout.com/index.php/2014/01/west-new-year-begin-january-1/
Sources:
http://www.history.com/news/history-lists/5-ancient-new-years-celebrations
http://books.google.com/books?id=gR09AAAAIAAJ&pg=PA94&lpg=PA94&dq=mensis+intercalaris&source=bl&ots=KEvnVcJ5cU&sig=9AfeiiJMj4qdQ2XGnyeN6m2N14E&hl=en&sa=X&ei=YwrpUobNMNLKsQTrh4LgBw&ved=0CGAQ6AEwCA#v=onepage&q=mensis%20intercalaris&f=false
http://en.wikipedia.org/wiki/Gregorian_calendar
http://www.pbs.org/newshour/rundown/2013/12/having-a-ball-the-history-behind-american-new-years-eve-celebrations.html
http://en.wikipedia.org/wiki/History_of_calendars#Roman_calendar
http://en.wikipedia.org/wiki/Julian_calendar
http://www.history.com/this-day-in-history/new-years-day
http://books.google.com/books?id=xRTuAQAAQBAJ&pg=PA92
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