CCC 560
© Libreria Editrice Vaticana Source: vatican.va
Jesus' entry into Jerusalem manifested the coming of the kingdom that the King-Messiah was going to accomplish by the Passover of his Death and Resurrection. It is with the celebration of that entry on Palm Sunday that the Church's liturgy solemnly opens Holy Week.
Read the full chapter 2. I Believe in Jesus Christ, the Only Son of God ¶422–682