Gliese 229B became the first brown dwarf to be seen and identified by astronomers.
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Taylor Swift released her fifth studio album, '1989.'
Turkmenistan declared independence from the Soviet Union.
Englishman William Penn founded Philadelphia, Pennsylvania.
Riots broke out in Paris, France, after two Muslim teenagers were electrocuted trying to evade police.
The first successful operation of conjoined twins joined at the head was completed in New Delhi, India.
