Linda Martin won the Eurovision Song contest in 1992, representing Ireland.
Russia won the 2008 Eurovision Song Contest and yes, Russia are not members of the European Union.
Azerbaijan
The United Kingdom won the Eurovision Song Contest in 1997, with a song called Love Shine A Light, performed by Katrina and the Waves.
I am not quite sure what you mean by "arranged". Bobbysocks won the Eurovision Song Contest in 1985 for Norway, but the contest was hosted by Sweden in Gothenburg, as Sweden had won the contest the previous year.
No, Hungary are yet to win the Eurovision Song contest.
The Eurovision Song Contest 2013 was held in Malmö, Sweden. The winner of the 2013 contest was Denmark, represented by Emmelie de Forestand the song "Only Teardrops". As Denmark won the competition, the Eurovision Song Contest 2014 will be held in the Danish capital of Copenhagen.
Denmark, with a song called "Dansevise."
Abba won the Eurovision Song Contest of 1974, which was hosted by Great Britain.
Lena Meyer-Landrut, representing Germany, won the Eurovision Song Contest 2010.
The Netherlands won with the song 'Click Clack' by Ralf Mackenbach.
Alexander Rybak won the Eurovision Song Contest 2009 for Norway with 387 points.