The first Social Security check is issued, America launches its first satellite into orbit, McDonald's comes to Moscow, and "Avatar" hits the $2 billion mark, all on this day.
33 / 38
E. Kolmhofer, H. Raab/Johannes-Kepler-Observatory
1996: Comet Hyakutake is discovered by Japanese amateur astronomer Yuji Hyakutake. The comet's passage near the Earth was one of the closest cometary approaches of the previous 200 years.