Same-sex marriage became legal in Austria.
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The dwarf planet Ceres was discovered by an Italian monk called Giuseppe Piazzi.
A B747 plane by Air India flying from Bombay, India to Dubai, UAE, crashed with no survivors.
America banned all advertisements of cigarettes on TV and radio.
A Scandinavian research collaboration created the first-ever internet domain name Nordu.net.
The Euro currency was introduced and adopted by 11 Member States.
