Simplify the following text for a Grade 8 native English-speaking person.
Original: The Battle of Patay ( 18 June 1429 ) was the culminating engagement of the Loire Campaign of the Hundred Years ' War between the French and English in north-central France .
Simplified: The Battle of Patay ( 18 June 1429 ) was an important battle in the Hundred Years ' War between the French and the English in north-central France .