Detailed Instructions: You will be given a context, a subject and a relation. Your task is to generate a question based on the subject and relation. The generated question should include the given subject. Try to use a minimum number of words that are not present in either context, subject or relation while generating question.
Q: Context : The Battle of Civitate (also known as Battle of Civitella del Fortore) was fought on 18 June 1053 in southern Italy, between the Normans, led by the Count of Apulia Humphrey of Hauteville, and a Swabian-Italian-Lombard army, organised by Pope Leo IX and led on the battlefield by Gerard, Duke of Lorraine, and Rudolf, Prince of Benevento. 
Subject : Battle of Civitate 
Relation : point in time
A:
On what date did Battle of Civitate take place?