Palm Sunday is a Christian moveable feast that falls on the Sunday before Easter. The feast commemorates Jesus’ triumphal entry into Jerusalem, an event mentioned in each of the four canonical Gospels.
The symbolism is captured in Zechariah 9:9 “The Coming of Zion’s King – See, your king comes to you, righteous and victorious, lowly and riding on a donkey, on a colt, the foal of a donkey”. It suggests that Jesus was declaring he was the King of Israel to the anger of the Sanhedrin.
According to the Gospels, Jesus rode a donkey into Jerusalem, and the celebrating people there laid down their cloaks and small branches of trees in front of him, and sang part of Psalm 118: 25–26 – … Blessed is He who comes in the name of the Lord. We bless you from the house of the Lord …
Image: Jesus entering Jeruselem (source unknown).