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.
Zechariah 1:12
12 Then the angel of the Lord said, ‘O Lord of hosts, how long will you have no mercy on Jerusalem and the cities of Judah, against which you have been angry these nseventy years?’
Zechariah 7:5
5 “Say to all the people of the land and the priests, ‘When you tfasted and mourned in the fifth month and in the seventh, for uthese seventy years, was it for me that you fasted?