The DTM just announced their 2013 European tour via their Facebook page.
Schedule:
April 5 – Rotterdam, Netherlands
April 6 – Glasgow, Scotland
April 12 – Milan, Italy
April 13 – Hotton, Belgium
April 19 – Germany
April 24 – Paris, France
April 27 – Berlin, Germany
April 29 – Amsterdam, Netherlands
April 30 – Netherlands
Then May 4th @Future/Past, Leeds, England.