Treasury of Scripture Knowledge
This was fulfilled during the babylonish captivity
2 Chronicles 36:21
to fulfil the word of Jehovah by the mouth of Jeremiah, until the land had enjoyed its sabbaths: for as long as it lay desolate it kept sabbath, to fulfil threescore and ten years.
but in the seventh year shall be a sabbath of solemn rest for the land, a sabbath unto Jehovah: thou shalt neither sow thy field, nor prune thy vineyard.