What was the date of the opening of XXX?
Koblenz Stadtmitte station
Koblenz Stadtmitte station (German: Haltepunkt Koblenz Stadtmitte, freely translated as ``Koblenz City Centre station'') was opened on 14 April 2011 on the West Rhine Railway (German: Linke Rheinstrecke) in central Koblenz in the German state of Rhineland Palatinate.
14 April 2011