Amidst escalating terror from the right and left alike , Perón decided to return and assume the presidency . On June 20 , 1973 , two million people waited for him at Ezeiza airport . From Perón 's speaking platform , camouflaged far-right gunmen fired on the masses , shooting at the Peronist Youth movement and the Montoneros , killing at least thirteen and injuring more than three hundred ( this became known as the Ezeiza massacre )
Ezeiza massacre
Ezeiza massacre
History of Argentina