When is the German election and how could it affect EUR/USD?

On Sunday, Germans are going to be heading to the polls for a federal election, at which Angela Merkel is going to have a chance to secure her position as chancellor for the fourth election in a row. Voting is going to end at 6:00 p.m. local time (4:00 p.m. GMT) and first projections are expected to...
When is the German election and how could it affect EUR/USD?