2012 has part(s) December 2012
2012 (MMXII) was a leap year starting on Sunday of the Gregorian calendar, the 2012th year of the Common Era (CE) and Anno Domini (AD) designations, the 12th  year of the 3rd millennium and the 21st century, and the  3rd   year of the 2010s decade.  
2012 was designated as:December
December 6 – The U.S. state of Washington becomes the first jurisdiction in the modern world officially to legalize the possession of cannabis for personal use.
December 8 – The UN Climate Change Conference in Qatar agrees to extend the Kyoto Protocol until 2020.
December 12 – North Korea successfully launches satellite Kwangmyongsong-3 Unit 2.
December 12 is the last time in the 21st century that the month, day and final two digits of the year are the exact same (12/12/12). The next time this will happen will be on New Year’s Day in 2101 (01/01/01).
December 14 – Sandy Hook Elementary School shooting: Twenty-eight people, including the gunman, are killed in Sandy Hook, Connecticut.
December 16 – The Sport Club Corinthians Paulista wins FIFA Club World Cup against Chelsea in Yokohama
December 17 – Spanish bank Grupo Santander announces the acquisition of the remaining 10% of Banesto it did not yet own, effectively absorbing it into Banco Santander.
December 18 – At least 55 people drown after an overcrowded boat capsizes off the coast of Somalia.
December 21 – 2012 phenomenon: End of 13th b'ak'tun in the Mayan calendar, supposed end of the world according to new age beliefs. Festivities took place to commemorate the event in the countries that were part of the Maya civilization (Mexico, Guatemala, Honduras, and El Salvador), with main events at Chichén Itzá in Mexico and Tikal in Guatemala.
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