Original: And so in the encyclical letter Annum Sacrum ( on May 25 , 1899 ) this same pope decreed that the consecration of the entire human race to the Sacred Heart of Jesus should take place on June 11 , 1899 .
Simplified: Finally , by order of Leo XIII , in his encyclical '' Annum Sacrum '' ( May 25 , 1899 ) , as well as on June 11 , he consecrated every human to the Sacred Heart .