Eurovision Trivia #4

When was the language restriction rule relaxed for the first time?

Which are the only two African languages to have ever appeared at Eurovision?

In 1999, how many countries out of 23 sang in English after the permanent relaxation of the language restriction rule?

In 2018, how many countries sang in their native language?

Which two languages were first heard at the contest in 1971?

How many times has the winning song been performed in English?

When was the last time a song was performed entirely in Danish?

How many Eurovision performances have included phrases in sign language on stage?

In which seven non-Eurovision languages have Eurovision songs been covered in?

In which two years was the winning song performed in Swedish?