Cross reference
Genesis 11:1
1 And all the earth had one language and one tongue.
Zephaniah 3:9
9 For then I will give the people a clean language, so that they may all make prayer to the Lord and be his servants with one mind.
Isaiah 19:18
18 In that day there will be five towns in the land of Egypt using the language of Canaan, and making oaths to the Lord of armies; and one of them will be named, The Town of the Sun.
Acts 2:6
6 And when this sound came to their ears, they all came together, and were greatly surprised because every man was hearing the words of the disciples in his special language.