Jesus' baptism was significant because it marked the beginning of His messianic ministry. According to the Bible, after Jesus was baptized by John the Baptist, the Holy Spirit descended upon Him in the form of a dove, and a voice from heaven declared, "This is my Son, whom I love; with him, I am well pleased." This event signified Jesus' divine nature and confirmed His identity as the Son of God. It also symbolized Jesus' death, burial, and resurrection, as He was baptized in water and then rose out of the water, foreshadowing His own death and resurrection. Overall, Jesus' baptism was a pivotal moment in His life and ministry, marking the beginning of His mission to save humanity from sin and reconcile them to God.