Simplify the following text for a Grade 8 native English-speaking person.
Original: Opus Dei was started by a Roman Catholic priest , Josemaria EscrivÃ , on 2 October 1928 in Madrid , Spain .
Simplified: Opus Dei was founded by a Catholic priest , Saint JosemarÃ a EscrivÃ , on 2 October 1928 in Madrid , Spain .