Romania and Bulgaria joined the European Union.
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Same-sex marriage became legal in Austria.
A Scandinavian research collaboration created the first-ever internet domain name Nordu.net.
Estonia joined the Eurozone and adopted the Euro as its currency.
The country of Czechoslovakia peacefully dissolved into two nations, the Czech Republic and Slovakia.
The Union Jack flag was flown for the first time in Dublin, Ireland, to commemorate the union between Great Britain and Ireland.
