Simplify the following text for a Grade 5 native English-speaking person.
Original: ChÃ cents teau-Thierry was the site of two important battles . The Battle of ChÃ cents teau-Thierry ( 1814 ) in the Napoleonic Wars between France and Prussia , and Battle of ChÃ cents teau-Thierry ( 1918 ) in World War I , between the United States and Germany .
Simplified: ChÃ cents teau-Thierry is a commune .