At just 30 years old, golf professional Tiger Woods won the 50th PGA, making him the youngest person ever to win a PGA.
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A team of NASA scientists declared that the Martian ALH 84001 meteorite might contain traces of alien life.
Flammable vapor caught fire at the Chevron Refinery in Richmond, California.
Korean Air Flight 801 crashed while approaching Guam airport, killing 229 of the 254 people aboard.
Pittsburgh hosted the world's largest pinball tournament.
The Department of Health in Manila, Philippines, declared a national epidemic after the dengue outbreak.