The next day the huge crowd that had arrived for the Feast heard that Jesus was entering Jerusalem.
They broke off palm branches and went out to meet him. And they cheered: Hosanna! Blessed is he who comes in God's name! Yes! The King of Israel!
Jesus got a young donkey and rode it, just as the Scripture has it:
No fear, Daughter Zion: See how your king comes, riding a donkey's colt.
The disciples didn't notice the fulfillment of many Scriptures at the time, but after Jesus was glorified, they remembered that what was written about him matched what was done to him.
The crowd that had been with him when he called Lazarus from the tomb, raising him from the dead, was there giving eyewitness accounts.
It was because they had spread the word of this latest God-sign that the crowd swelled to a welcoming parade.
The Pharisees took one look and threw up their hands: "It's out of control. The world's in a stampede after him." A Grain of Wheat Must Die