TODAY IN HISTORY

On April 28, 1788, Maryland became the seventh state to ratify the Constitution.

In 1945, Italian dictator Benito Mussolini and his mistress, Clara Petacci, were executed by Italian partisans as they attempted to flee the country.

In 1952, war with Japan officially ended as a treaty signed in San Francisco the year before took effect.

In 1958, Vice President Richard Nixon and his wife, Pat, began a goodwill tour of Latin America that was marred by hostile mobs in Lima, Peru, and Caracas, Venezuela.

In 1967, heavyweight boxing champion Muhammad Ali was stripped of his title after he refused to be inducted into the armed forces.

In 1980, President Jimmy Carter accepted the resignation of Secretary of State Cyrus R. Vance, who had opposed the failed rescue mission aimed at freeing American hostages in Iran. (Vance was succeeded by Edmund Muskie.)

In 1986, the USSR informed the world of the nuclear disaster at Chernobyl.

In 1988, a flight attendant was killed and more than 60 persons injured when part of the roof of an Aloha Airlines Boeing 737 tore off during a flight from Hilo to Honolulu.

In 1994, former CIA official Aldrich Ames, who had passed U.S. secrets to the Soviet Union and then Russia, pleaded guilty to espionage and tax evasion, and was sentenced to life in prison without parole.

In 2001, a Russian rocket lifted off from Central Asia bearing the first space tourist and two cosmonauts on a journey to the international space station.

In 2010, Coast Guard Rear Adm. Mary Landry said a massive oil spill in the Gulf of Mexico was worse than officials had believed.