January and vice versa. Ancient Roman observances during this month include Cervula, and Juvenalia; celebrated January 1, as well as one of three Agonalia, celebrated January 9, and Carmentalia, celebrated January 11. These dates do not correspond to the modern Gregorian calendar. January (in Latin, "Ianuarius") is named after the Latin word for door ("ianua"), since January is the door to the year and an opening to new beginnings. The month is conventionally thought of as being named after Janus, the god of beginnings and transitions in Roman mythology, but according to ancient Roman farmers' almanacs Juno was the tutelary deity
One weekend a month, two weeks a year in the reserve forces have been required to serve for up to two years. In the meantime, the role of the National Guard which, in the Vietnam War, largely revolved around home defense and policing, has changed so that in Iraq "about 20 percent of the U.S. military deaths in that conflict" It has been claimed in the U.S. media that the change in expectations on the National Guard is a deliberate change in policy by military planners in response to the Vietnam War. The need to use the National Guard is designed to reduce the possibility of "half-hearted" wars