Simplify the following text for a Grade 7 native English-speaking person.
Original: He was one of the founders of the city of Sabaneta and an important military leader during the initial stages of the Restoration War ( 1863 â `` 1865 )
Simplified: He is one of the founder of the city of Sabaneta . He was an important military leader during the initial stages of the Restoration War ( 1863-1865 ) .