Acts 2:7

They were all filled with the Holy Spirit and began to speak with other languages, as the Spirit gave them the ability to speak.

Now there were dwelling in Jerusalem Jews, devout men, from every nation under the sky.

When this sound was heard, the multitude came together and were bewildered, because everyone heard them speaking in his own language.

How do we hear, everyone in our own native language?

Parthians, Medes, Elamites, and people from Mesopotamia, Judea, Cappadocia, Pontus, Asia,

Phrygia, Pamphylia, Egypt, the parts of Libya around Cyrene, visitors from Rome, both Jews and proselytes,