'Seventy Years' in the Bible

And Kenan lived seventy years, and begat Mahalalel.

And when Terah was seventy years old, he begat Abram, Nahor and Haran.

to fulfill the word of the LORD by the mouth of Jeremiah, until the land had her pleasure of her Sabbaths: for as long as she lay desolate, she kept Sabbath until she had fulfilled seventy years.

After that, shall the seventy years of Tyre - even as long as their king's life was - be forgotten. And after seventy years, it shall happen to Tyre as with a harlot that playeth upon a lute.

Thus shall it happen after seventy years. The LORD shall visit the city of Tyre, and she shall convert unto her reward, and shall commit fornication with all the kingdoms that be in the world.

When the seventy years are expired, I will visit also the wickedness of the king of Babylon and his people sayeth the LORD: yea, and the land of the Chaldeans, and will make it a perpetual wilderness,

But thus sayeth the LORD: When ye have fulfilled seventy years at Babylon, I will bring you home, and of mine own goodness I will carry you hither again to this place.

Yea, even in the first year of his reign, I, Daniel, desired to know the yearly number out of the books, whereof the LORD spake unto Jeremiah the Prophet: that Jerusalem should lie waste seventy years:

Then the LORD's angel gave answer, and said, 'O LORD of Hosts, how long wilt thou be unmerciful to Jerusalem and to the cities of Judah, with whom thou hast been displeased now these seventy years?'

"Speak unto all the people of the land, and to the priests, and say, 'When ye fasted and mourned in the fifth and seventh month, now this seventy years, did ye fast unto me?