It is in reference to ANYTHING having to do with the continent of Europe.
European.
er ... European means someone from Europe.
European Union
A European spelling of 'enormous'.
European Union.
If you mean European Nation's Cup - as it was called at that time - it was hosted by Italy.
European Computer Driving Licence
European Norms
Taylor Swift is a mean person
A place to live in Europe.
If you mean Edinburgh, The European continent
A common family name in various European cultures. The English " Ludwig " is a variation of European origin.