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.

  25:2-4,10  2Ch 36:21