December is a noun and defined as the 12th month of the Gregorian calendar. First used around the 12th century, December is one of the many words in the English language that has its roots in Latin. Historical names for December include the Anglo-Saxon word Ærra Geola or the month “before Yule”.
Today, the most widely used calendar is the Gregorian calendar. Introduced by Pope Gregory XIII in 1582, the Gregorian calendar can be traced back to the Roman calendar, which consisted of 10 months and a dead period during winter. The original 10 months were Martius, Aprilis, Maius, Junius, Quintilis, Sextilis, September, October, November, and December. December was named after the Latin word for ten, decem, because it was originally the tenth month in the early Roman calendar. When January became the first month of the calendar year, December was pushed from the tenth to twelfth month.
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