2 Chronicles 36:21
21 jto fulfill the word of the Lord by the mouth of Jeremiah, until the land had enjoyed kits Sabbaths. All the days that it lay desolate it kept Sabbath, to fulfill lseventy years.
Jeremiah 25:11
11 This whole land shall become a ruin and a waste, and these nations shall serve the king of Babylon vseventy years.
Daniel 9:2
2 in the first year of his reign, I, Daniel, perceived in the books the number of years that, gaccording to the word of the Lord to Jeremiah the prophet, must pass before the end of the desolations of Jerusalem, namely, hseventy years.