On what date did XXX end?
Battle of Münchengrätz
The Battle of Münchengrätz (German: Schlacht bei Münchengrätz) or Battle of Mnichovo Hradiště (Czech: Bitva u Mnichova Hradiště) was fought near Mnichovo Hradiště, modern day Czech Republic, on 28 June 1866 during the Austro-Prussian War.