2Ch 36:21, Jer 25:11-12, 29:10, Dan 9:2, Zec 7:5 | ESV | STEP | to fulfill the word of the Lord by the mouth of Jeremiah , until the land had enjoyed its Sabbaths . All the days that it lay desolate it kept Sabbath , to fulfill seventy years .

21 to fulfill the word of the Lord by the mouth of Jeremiah, until the land had ^aenjoyed its Sabbaths. All the days that it lay desolate ^bit kept Sabbath, to fulfill seventy years.

Jeremiah 25:11-12

11 ^cThis whole land shall become a ruin and a waste, and ^dthese nations shall serve the king of Babylon ^eseventy years. 12 Then after ^fseventy years are completed, ^gI will punish the king of Babylon and that nation, ^hthe land of the Chaldeans, for their iniquity, declares the Lord, ⁱmaking the land an everlasting waste.

Jeremiah 29:10

10 “For thus says the Lord: ^jWhen seventy years are completed for Babylon, ^kI will visit you, ^land I will fulfill to you my promise ^mand bring you back to this place.

Daniel 9:2

2 in the first year of his reign, I, Daniel, perceived in the books the number of years that, according to ⁿthe word of the Lord to Jeremiah the prophet, must pass before the end of the desolations of Jerusalem, namely, seventy years.

Zechariah 7:5

5 “Say to all the people of the land and the priests, 'When you fasted and mourned in ^othe fifth month and in ^pthe seventh, for these ^qseventy years, ^rwas it ^sfor me that you fasted?