In the 40 years since the band’s notorious performance of “Waterloo”, there have been record-breaking scores, three consecutive wins for one country, and even a few winning entries for Britain.
Much though Brits like to bemoan the UK’s recent lacklustre performance at the contest, Britain has in fact won five times, making us joint second for the most number of wins since Eurovision began in 1956.
Molly Smitten-Downes, the UK’s entry this year, is hoping she can improve our recent track record with a fresh song she wrote herself.
The previously unsigned singer-songwriter from Leicestershire will be performing “Children of the Universe” after being scouted by the BBC.
Read more: Trivia quiz – how much do you know about Eurovision?
The Eurovision song contest in numbers
UK singer Molly Smitten-Downes at 9/1 to win ahead of final
Why is Eurovision so political?
David Cameron doesn’t know who Molly Smitten-Downes is
Meet all the acts from Molly Smitten-Downes to Conchita Wurst
Who is Molly Smitten-Downes?
Austria's Conchita Wurst hits back at transphobic criticism
Ukraine and Russia in music propaganda battle ahead of final
Russian politician brands contest 'Sodom Show'
Winners list in full from Lys Assia to Emmelie de Forest
She is currently among the bookies’ top five to win the Grand Final outright when she performs in Copenhagen on Saturday.
But if you’d rather not watch three and a half hours of Europe’s finest musical talents this Saturday – at least test your knowledge before you choose to opt out: