The language of prophecy does not have the exactness of mathematics , but here are a few instances . The Only Person Ever Pre-announced.
1 Peter 1.20 Foreknown indeed, before the foundation of the world, he has been manifested in the last times for your sakes "
Isaias 53.7 " He shall be led, as a sheep to the slaughter; and shall be dumb as a lamb, before his shearer , and he shall not open his mouth…
Acts 8.32 " Now the passage of scripture which he was reading was this " he was led like a sheep to slaughter, and just as a lamb, dumb before its shearer …who shall declare his generation ? for his life is taken from the earth "
John 1: 29-31 The next day John saw Jesus coming to him, and he said " Behold the lamb of God, who takes away the sin of the world. This is he of whom I said, After me, there comes one who has been set above me because he was before me.
You may be interested to know that the advent of Jesus was expected around the world, not just among Jews EG the Magi, in China , the Greeks also had an expectation and the Romans.