On Palm Sunday, Jesus rode a donkey into Jerusalem. This is the day we commemorate Jesus' arrival in the town.
Holy Monday is the Temple cleaning. Bears record of Jesus’ first cleansing of the Temple, presenting Himself as the Messiah.
On Holy Thursday, The Last Supper is the final meal that, in the Gospel accounts, Jesus shared with his Apostles in Jerusalem before his crucifixion.
Then Jesus went with them to a place called Gethsemane, and he said to his disciples, “Sit here, while I go over there and pray.” And taking with him Peter and the two sons of Zebedee, he began to be sorrowful and troubled.