UNITED STATES
On this day in 1974, the House Judiciary Committee recommends that America's 37th president, Richard M. Nixon, be impeached and removed from office..
Adam John Walsh, age six, is abducted from a mall in Hollywood, Florida, and later found murdered. In the aftermath of the crime, Adam’s father, John Walsh, became a leading victims’ rights activist and host of the long-running television show America’s Most Wanted
WORLD
Maximilien Robespierre, the architect of the French Revolution's Reign of Terror, is overthrown and arrested by the National Convention. As the leading member of the Committee of Public Safety from 1793, Robespierre encouraged the execution, mostly by guillotine, of more than 17,000 enemies of the Revolution. The day after his arrest, Robespierre and 21 of his followers were guillotined before a cheering mob in the Place de la Revolution in Paris.
After three years of a bloody and frustrating war, the United States, the People's Republic of China, North Korea, and South Korea agree to an armistice, bringing the Korean War to an end. The armistice ended America's first experiment with the Cold War concept of "limited war." 
On this day in 1943, Joseph Stalin, premier and dictator of the Soviet Union, issues Order No. 227, what came to be known as the "Not one step backward" order, in light of German advances into Russian territory. The order declared, "Panic makers and cowards must be liquidated on the spot. Not one step backward without orders from higher headquarters! Commanders...who abandon a position without an order from higher headquarters are traitors to the Fatherland."SCIENCE
On this day in 1949, the world's first jet-propelled airliner, the British De Havilland Comet, makes its maiden test-flight in England. The jet engine would ultimately revolutionize the airline industry, shrinking air travel time in half by enabling planes to climb faster and fly higherENTERTAINMENT
On this day in 1940, Bugs Bunny first appears on the silver screen in "A Wild Hare." The wisecracking rabbit had evolved through several earlier short films. As in many future installments of Bugs Bunny cartoons, "A Wild Hare" featured Bugs as the would-be dinner for frustrated hunter Elmer Fudd.SPORTS
On this day in 1993, Boston Celtics star Reggie Lewis collapses after suffering cardiac arrest while shooting baskets at Brandeis University in Boston, Massachusetts. Two hours later, Lewis was pronounced dead at Waltham-Weston Hospital.
In Atlanta, Georgia, the XXVI Summer Olympiad is disrupted by the explosion of a nail-laden pipe bomb in Centennial Olympic Park. The bombing, which occurred during a free concert, killed a mother who had brought her daughter to hear the rock music and injured more than 100 others, including a Turkish cameraman who suffered a fatal heart attack after the blast.
