Simplify the following text for a Grade 7 native English-speaking person.
Original: It was founded on June 3 , 1887 as Club de Gimnasia y Esgrima . Its principal activity is football , and it competes in the First DivisiÃ n Argentina , Argentina 's premier league .
Simplified: Founded in 1887 as Club de Gimnasia y Esgrima , the team plays in the Primera DivisiÃ n Argentina .