December is the twelfth and last month of the year in the Julian and Gregorian Calendars. It is one of seven months with the length of 31 days. December is the first month of meteorological winter in the Northern Hemisphere. In the Southern Hemisphere, December is the seasonal equivalent to June in the Northern hemisphere, which is the first month of summer. December is the month with the shortest daylight hours of the year in the Northern Hemisphere and the longest daylight hours of the year in the Southern Hemisphere.
December symbols: Its birth flower is the narcissus. The birthstones of December are the turquoise, zircon, and tanzanite. The zodiac signs for the month of December are Sagittarius (until December 21) and Capricorn (December 22 onwards).
Historical Events for December, 1161
Day of Week 15th » Jurchen campaigns against the Song Dynasty Jin–Song wars: Military officers conspire against Emperor Hailingwang of Jin Emperor Hailing of the Jin Dynasty (1115–1234) Jin Dynasty after a military defeat at the Battle of Caishi, and assassinate the emperor