Aug. 2 (UPI) -- On this date in history:
In 1776, the Declaration of Independence, adopted on July 4, was signed by members of the Continental Congress.
In 1968, a major earthquake in the Philippines rocked Manila, killing 307 people.
In 1974, John Dean, counsel to U.S. President Richard Nixon, was sentenced to one to four years in prison for his part in the Watergate coverup. Dean's sentence was reduced and he was released after four months.
In 1985, 135 people died in the crash of a Delta Airlines L-1011 jet at Dallas-Fort Worth International Airport.
In 1990, Iraq invaded neighboring Kuwait after weeks of tension over disputed land and oil production quotas.
In 2010, U.S. scientists estimated that the BP oil spill touched off by an April 20 explosion on an offshore rig leaked 5 million barrels of crude into the Gulf of Mexico, making it the world's largest oil spill of its kind.
In 2013, the Bureau of Labor Statistics reported the U.S. unemployment rate fell to 7.4 percent -- a four-year low.
In 2014, an accidental explosion in an eastern China factory that authorities said had unsafe conditions killed about 75 people and injured scores of others.