Romania and Bulgaria joined the European Union.
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A B747 plane by Air India flying from Bombay, India to Dubai, UAE, crashed with no survivors.
The dwarf planet Ceres was discovered by an Italian monk called Giuseppe Piazzi.
Ellis Island opened as a US immigration inspection station.
The Union Jack flag was flown for the first time in Dublin, Ireland, to commemorate the union between Great Britain and Ireland.
America banned all advertisements of cigarettes on TV and radio.
