Instructions: Given a context passage, generate a question from the passage such that its answer is shortest continous span from the passage.
Input: The Battle of Munchengratz (German: Schlacht bei Munchengratz) or Battle of Mnichovo Hradiste (Czech: Bitva u Mnichova Hradiste) was fought near Mnichovo Hradiste, modern day Czech Republic, on 28 June 1866 during the Austro-Prussian War.
Output:
On what date did Battle of Munchengratz end?