Snowmageddon in Washington, D.C.Feb. 5, 1958: Two U.S. military aircraft collide over eastern Georgia. The pilot of a B-47 safely parachutes, landing in South Carolina. A nuclear weapon falls near the mouth of the Savannah River near Tybee Island, Ga., as a result of the collision, but the weapon is never found.

Feb. 5, 1996: The furor over genetically modified (GM) food reaches a milestone in the U.K. Two major grocery chains, Safeway and Sainbury's, begin selling the first GM product, tomato puree. A third grocery chain, Tesco, declines.

Feb. 5, 2008: With Americans at the polls in many states for the Super Tuesday primary elections, a tornado outbreak sweeps through the mid-South, killing 57 in Arkansas, Mississippi and Tennessee.

Feb. 5, 2010: As part of a brutal winter for the mid-Atlantic states of the U.S., a blizzard nicknamed "Snowmageddon" strikes, crippling travel from the Carolinas to New York City. Philadelphia, Baltimore and Washington, D.C., (at right) receive between two and three feet of snow.

Photo: ZUMA Press

This feature is compiled by Peter Dykstra, an MNN contributor and publisher of Environmental Health News and The Daily Climate.