Operatives of the British Special Boat Service boarded the container ship Grande Tema in the Thames Estuary to detain four stowaways who had threatened the crew.
ClockHorizon daily selection“Knowledge itself is power.”
Fourteen people are killed and 25 others injured during a mass shooting at Charles University in Prague, Czech Republic.
A Vega C rocket carrying two Pléiades Neo satellites fails after liftoff.
A great conjunction of Jupiter and Saturn occurs, with the two planets separated in the sky by 0.1 degrees. This is the closest conjunction between the two planets since 1623.
2012 phenomenon: Festivities are held in parts of Mesoamerica to commemorate the conclusion of b'ak'tun 13, a roughly 5,126-year-long cycle in the Mesoamerican Long Count Calendar whose passing many New Age spiritualists had earlier held to portend a variety of cataclysmic or transformative events.
Iraq War: A suicide bomber kills 22 at the forward operating base next to the main U.S. military airfield at Mosul, Iraq, the single deadliest suicide attack on American soldiers in Iraq.
“Knowledge itself is power.”
One highlighted entry is from 2018: Operatives of the British Special Boat Service boarded the container ship Grande Tema in the Thames Estuary to detain four stowaways who had threatened the crew.
People listed for December 21 include Cooper Flagg (2006), Clara Tauson (2002), and Madelyn Cline (1997).
Observances listed for December 21 include Christian feast day: December 21 (Eastern Orthodox liturgics), Christian feast day: O Oriens, and Christian feast day: Peter Canisius.
