Not just European elections...possibly, the next Canadian federal election, as well.  Should it?  Moot question, if enough people BELIEVE it should. 

1920 US Presidential election: despite race riots in 23 cities  just a few months before people went to the polls, significant racial tensions and violence (hundreds of homes burned to the ground, over 300 killed) barely made the campaign trail.  1920: people just didn't think it mattered much.