Luke 24:47and that repentance for the forgiveness of sins should be proclaimed in his name to all nations, beginning from Jerusalem.
Rom. 1:16 For I am not ashamed of the gospel, for it is the power of God for salvation to everyone who believes, to the Jew first and also to the Greek.
When did the Jews hear it first?
No matter when any one hears it...the gospel doesn’t include a “do what thou whilst” clause...