The last month of the year (December) is the outstanding one. It gets the name from the word ‘decem’, which means ‘ten’. In the Roman Calender, the December was the tenth, the period of January and February was later added to the calendar by the Kind Numa Pompilius around 713 B.C. Due to that it became the 12th month from 10, but still they kept the name.The Roman calendar was based on a 304 day year based on the approximate lunar month 29 1/2 days. But in the Gregorian calendar the December is the last month of the year and the first month of the winter. Every year the winter starts around December 21 or 22 in the Northern hemisphere and has shortest daylight hours.In the Southern Hemisphere it starts at June 20 or 21 and has longest daylight hours, which means the December in the Northern Hemisphere is the seasonal equivalent to June in the Southern Hemisphere and Vice Versa. In the United States, it is the Drunk and Drugged Driving Prevention Month and Stress Free Family Holiday Month. It is also a National Political Correctness Awareness Month.The other interesting thing about December is it starts on the same day of the week as September and ends on the same day of the week as April. We all know that December has 2 important celebrations Christmas Celebration and New Year Evening Celebration. Apart from that, here is the few more interesting facts about the month of December.