185 - Emperor Lo-Yang, China sees supernova (MSH15-52)
1804 - Naturalist Alexander von Humboldt reports his discovery of the decrease in intensity of Earth's magnetic field from the poles to the equator in a memoir to the Paris Institute
1972 - the last Apollo moon mission, is launched. The crew takes the photograph known as The Blue Marble as they leave the Earth.
1988 - Spitak Earthquake; in Armenia an earthquake measuring 6.9 on the. Richter scale kills nearly 25,000, injures 15,000 and leaves 400,000 homeless.
International Civil Aviation Day - December 7
Letter Writing Day
