These four miracles are...
Lanciano, Italy, 750 AD ~ Historically the Euchasritic Miracle, which was scientifically proven to be a human, living heart or a living, human heart with AB type blood, matching the blodd type on the Holy Shroud of Turin.
Rome, Italy, 595 AD ~ Involvig Saint Pope Gregory the Great, one of our Church Fathers of the Catholic Church.
Sokolka, Poland, Oct. 12, 2008 ~ Two Eminent specialists in pathological anatomy, one of whom was unaware of the origins of the tissue, recognized (or analyzed) the miraculous Host sample as heart tissue, a Eucharistic Miracle now before his eyes.
Turin, Italy, June 6, 1453 ~ Feast of Corpus Christi, we remember Luke 24:13-35- The Road to Emmaus. It is the Glorisu Day of JESUS' Resurrection, when JESUS celebrates "the breaking of the Bread" with his disciples ad He is recognized. In Holy Scripture, it is the first recorded Eucharist after his His resurrection.