The Messiah would enter Jerusalem riding on an ass.
OT Prophecy NT Fulfillment
Zechariah 9:9f
"Rejoice greatly, O daughter of Zion; shout, O daughter of Jerusalem: behold, thy King cometh unto thee: he is just, and having salvation; lowly, and riding upon an ass, and upon a colt the foal of an ass."
Matthew 21:6-9
"[6] And the disciples went, and did as Jesus commanded them, [7] And brought the ass, and the colt, and put on them their clothes, and they set him thereon. [8] And a very great multitude spread their garments in the way; others cut down branches from the trees, and strawed them in the way. [9] And the multitudes that went before, and that followed, cried, saying, Hosanna to the Son of David: Blessed is he that cometh in the name of the Lord; Hosanna in the highest."

Tanakh - Neviim - Zechariah 9:9f

"Rejoice greatly, O daughter of Zion, shout, O daughter of Jerusalem; behold, thy king cometh unto thee, he is triumphant, and victorious, lowly, and riding upon an ass, even upon a colt the foal of an ass."

Hebrew OT - Zechariah 9:9f

ךל אובי ךכלמ הנה םלשורי תב יעירה ןויצ-תב דאמ יליג
.תונתא-ןב ריע-לעו רומח-לע בכרו ינע אוה עשונו קידצ

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