When was the last championship won by Michael Schumacher?

Michael Schumacher has won the most F1 drivers championships for a driver. He won it twice with Bennetton in 1994 & 95. And then five times with Ferrari 2000-2004. Schumacher holds many records in Formula One, including most race victories, fastest laps, pole positions, points scored and most races won in a single season. 2004 was the last year that he won a drivers championship.