The Father and the Word had planned His incarnation before the foundations of the world. The first time it appears in The Bible is what many scholars associate to Him:
Genesis 3:15 [Full Chapter]
And I will put enmity Between you and the woman, And between your seed and her Seed; He shall bruise your head, And you shall bruise His heel."
Jesus was prophesied mainly by Isaiah.
Sorrows.
In Bethlehem, because it was prophesied that was where He Would Be Born.
It was the old man Symon.
Our Lord Prophesied the Destruction of Jerusalem & the Temple. He also Prophesied that there would be people coming in the future claiming to be Him.
The for runner for Jesus is John the Baptist. He was prophesied by Isiah the prophet. The voice of one crying in the wilderness
Jesus Had the 7 Gifts Of the Holy Spirit, that were prophesied in Isaiah.
The Christian view is that Jesus was not a prophet, he was the son of God. In Islam, both Jesus and Muhammad are considered prophets.
There is no reference, explicit or implied, to the Holocaust anywhere in the Bible.
Some of them were not yet willing to admit that Jesus is Messiah and savior. It was also prophesied that some of them would reject the Messiah.
The time of the prophecsies by Isiah were about 700 years before the birth of Jesus Christ.
They believe He is the Messiah prophesied in the Old Testament. Most believe that He is God incarnate.
It is 739 years from 740 bc to 1 bc. However, Isaiah never really prophesied the birth of Jesus. And if Jesus was born during the reign of King Herod it must have been before 4 bc, since Herod died in April 4 bc.