Leviticus 26:34

Overview - Leviticus 26
Of idolatry.
A blessing to them that keep the commandments.
14 A curse to those that break them.
40 God promises to remember them that repent.
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Leviticus 26:34  (King James Version)
Then shall the land enjoy her sabbaths, as long as it lieth desolate, and ye be in your enemies' land; even then shall the land rest, and enjoy her sabbaths.

This was fulfilled during the Babylonish captivity: for, from Saul to the captivity are about 490 years, during which period there were 70 sabbaths of years neglected by the Hebrews. Now the Babylonish captivity lasted 70 years, and during that time the land of Israel rested.
Leviticus 25:2-4 Leviticus 25:10 2 Chronicles 36:21