Original: The "Club de Gimnasia y Esgrima La Plata" was founded on June 3, 1887 as a civil association, and thus is the oldest surviving football club still participating in the Argentine Football League.
Simplified: The "Club de Gimnasia y Esgrima La Plata" was founded on June 3, 1887 as a civil association, and thus is the oldest surviving football club in the whole of South America.