The Euro currency was introduced and adopted by 11 Member States.
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Same-sex marriage became legal in Austria.
The country of Czechoslovakia peacefully dissolved into two nations, the Czech Republic and Slovakia.
A Scandinavian research collaboration created the first-ever internet domain name Nordu.net.
The dwarf planet Ceres was discovered by an Italian monk called Giuseppe Piazzi.
Estonia joined the Eurozone and adopted the Euro as its currency.
