1 And the whole earth was of one language, and of one speech.
Genesis 11:1 Cross References - KJV
Isaiah 19:18
18 In that day shall five cities in the land of Egypt speak the language of Canaan, and swear to the LORD of hosts; one shall be called, The city of destruction.
Zephaniah 3:9
9 For then will I turn to the people a pure language, that they may all call upon the name of the LORD, to serve him with one consent.
Acts 2:6
6 Now when this was noised abroad, the multitude came together, and were confounded, because that every man heard them speak in his own language.