1951 -- U.S. Department of Defense exposes 2,796 troops to ionizing radiation from a nuclear detonation, to see what might happen.
1967 -- Facing waning public support, President Johnson presses the military for more positive news on Vietnam.
1969 -- President Nixon claims support of the lurkers in `Silent Majority' speech.
2008 -- Barack Obama becomes the first person from Hawaii elected President of the United States.
1937 -- At the Hossbach Conference in Berlin, Adolf Hitler lays the groundwork for what would eventually become World War II.
1861 -- Jefferson Davis is elected president of the Confederate States of America on a strong pro-slavery platform.
1973 -- The War Powers Act allows the President to start new wars as needed without Congressional approval, provided they are short.
2011 -- Earth suffers near miss by asteroid 2005 YU55.
1979 -- Soviet Union launches massive nuclear first strike against the United States.
1793 -- The first and final Festival of Reason opens in Paris, France.
1930 -- Albert Einstein and Leó Szilárd are awarded patent 1,781,541 for inventing the deuterium fusion-powered refrigerator.
1215 -- Cistercian monk Alcher de Clairvaux is awarded the Lateran Council's prize in metaphysics for his theory of transubstantiation.
2002 -- The oil tanker Prestige sinks off the Galician coast and is renamed.
2008 -- The first G20 summit is convened in Washington to discuss how best to avert the previous year's financial crisis.
1923 -- Germany replaces its hyperinflated currency with one printed on much nicer paper.
1914 -- The Federal Reserve Bank of the United States officially opens.
1973 -- Ending months of speculation, President Richard M. Nixon reveals that he is not a crook.
1105 -- Sylvester IV⁻ is enthroned at the Antivatican in Rome.
1881 -- A meteorite lands in a farm fifteen miles southwest of Odessa, in what is now Ukraine. It is later sold for five thousand rubles, an unbelievably low price for such a rare, exotic item.
1950 -- General Dwight D. Eisenhower becomes Supreme Commander of the planet Earth.
1861 -- Kentucky's status is in legal limbo following a botched secession attempt by its Confederate government.
1986 -- Shredding begins in the Iran-Contra affair.
1963 -- President John F. Kennedy is assassinated in Dallas by a person or persons either apprehended or yet to be identified.
1972 -- After the fourth unsuccessful test of its N-1 lunar rocket, the Soviet Union decides to turn its attention back to its vastly more successful ballistic missile program.
1973 -- The Federal Republic of Germany embarks upon its four-month-long failed attempt at having a national speed limit.
1992 -- The Czech Republic and Slovakia secede from each other.
1977 -- British television programming is briefly interrupted due to warnings of impending disaster from Ashtar Galactic Command.
2009 -- Golfer Tiger Woods crashes his SUV into some marital difficulty outside his Florida mansion.
1909 -- Sergei Rachmaninov's Concerto No. 3 in D minor makes landfall off the coast of New York, quickly becoming one of the most destructive classical piano concertos in history.
1935 -- Austrian physicist Erwin Schrödinger publishes Die gegenwärtige Situation in der Quantenmechanik, which theorizes that a cat might die if encased in an airtight, foodless container with cyanide and a radiation source. It is considered one of the classic thought-experiments of the twentieth century.
1999 -- Exxon and Mobil are wed at a private ceremony in Dallas, Texas.