100 Years - the countdown is a historical collection of ZDF about 20. Century. Guido knopp is commentator and author of the series. The single documentation enter mostly on the events of a given year. The total length of the range is approximately 15½ hours. First broadcast the programmes were the last 100 days of 1999 each heute-journal on ZDF. In full emitted 100 years since new year's Eve 1999 several times a year by television PHOENIX.

Although this documentary of Guido Knopp is spoken in the German language it is more than worth to watch it.