Flammable vapor caught fire at the Chevron Refinery in Richmond, California.
Six employees were injured in the accident.
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World Resources Institute reported that a quarter of the world's population is running out of water.
Norwich University was founded in Vermont.
The United States of America dropped its first-ever atomic bomb on the city of Hiroshima, Japan.
Portugal and the Dutch Republic signed the Treaty of The Hague.
Korean Air Flight 801 crashed while approaching Guam airport, killing 229 of the 254 people aboard.