That is not my opinion. That is Peter's opinion. There is not a continent on the globe with perhaps the exceptions of the poles where human remains are not found that date before the time of Christ.
The spread of the gospel began in Acts 2 when there were Jews living in Jerusalem, devout men "from every nation under heaven", Acts 2:5. The reason these devout Jews were in Jerusalem at this time was for the observance of the Pentecost. When the observances of this feast were concluded these men returned to their homes in these various nations just as they always did and this time they took the gospel with them. Later, as the persecution of Christians intensified, both Jew and Gentile Christians scattered and again took the gospel with them. By the time the Epistles were written the gospel had already spread to every corner of the earth. Perhaps as early as 55 AD.
The spread of the gospel began in Acts 2 when there were Jews living in Jerusalem, devout men "from every nation under heaven", Acts 2:5. The reason these devout Jews were in Jerusalem at this time was for the observance of the Pentecost. When the observances of this feast were concluded these men returned to their homes in these various nations just as they always did and this time they took the gospel with them. Later, as the persecution of Christians intensified, both Jew and Gentile Christians scattered and again took the gospel with them. By the time the Epistles were written the gospel had already spread to every corner of the earth. Perhaps as early as 55 AD.