2 Chronicles 36:20-22 Modern English Version (MEV)
20 Then he carried into exile to Babylon the remnant, who survived the sword, and they were slaves to him and his sons until the kingdom of Persia ruled, 21 to fulfill the word of the Lord by the mouth of Jeremiah, until the land had enjoyed her Sabbaths. As long as she lay desolate, she kept Sabbath, to fulfill seventy years.
The Proclamation of Cyrus
22 In the first year of King Cyrus of Persia, that the word of the Lord spoken by the mouth of Jeremiah might be fulfilled, the Lord stirred up the spirit of King Cyrus of Persia, so that he sent a proclamation throughout all his kingdom and also declared in a written edict: