oslo in Norway
The Eurovision Song Contest was not in Ireland in 1996. Ireland won it in 1996, but the contest was held in the Oslo Spektrum in Oslo, the capital of Norway, as Norway had won the 1995 Eurovision Song Contest that was in the Point Theatre in Dublin.
The 1978 Eurovision Song Contest was held in Paris, France.
It was held in Moscow, Russia.
No, Ethiopia have never entered the Eurovision Song Contest and they have never held the competition either.
The Eurovision Song Contest 2009 was held in Moscow, Russia.
According to Wikipedia, the Eurovision finals are "traditionally held on a spring Saturday evening." It more often than not is held during the month of May. Read more about the Eurovision via the Related Link.
The 2012 Eurovision Song Contest was held in Baku, Azerbaijan.
The Eurovision Song Contest is held in May at 21:00 CET.
Eurovision 2013 will be held in Malmo, Sweden and presented by Petra Mede.
Finland
Netherlands