December is the twelfth month of the year in the Gregorian Calendar. It has 31 days.

• Christmas day.

• 2009:
  • LEGO Atlantis and Toy Story sets appear in Argos stores in the UK.
  • LEGO Star Wars 2010 sets appeared in Wal-Marts across the US, 10 days before the official release of January 4th.

• 1947: Kjeld Kirk Kristiansen, chief executive of The LEGO Group between 1979 and 2004, is born.
• 2010: The new LEGO Catalogue hit the first retailer in Germany.