The slaves who built the Colosseum were Jewish war captives who had been captured in what has been called the First Roman-Jewish War or the Great Revolt of 66-73 BC.

66-73 this is the Jewish-Roman War it is often called the First Great Revolt

The Roman emperor Vespasian financed the building out of the spoils from The first Jewish War.

Roman siege on the Jerusalem ended with the sacking of the city. This was an infamous war.

The first and second centuries were a turbulent political period in ancient Palestine. War between the Romans and the Jews was a common thread. The First Roman-Jewish War occurred in the years 66 to 70; the Second Roman-Jewish War occurred in the years 132 to 135.