The Time of Jacob's Trouble

Jer 30:7  Alas! For that day is great, So that none is like it; And it is the time of Jacob's trouble, But he shall be saved out of it. 
Jer 30:8  'For it shall come to pass in that day,' Says the LORD of hosts, 'That I will break his yoke from your neck, And will burst your bonds; Foreigners shall no more enslave them. 
Jer 30:9  But they shall serve the LORD their God, And David their king, Whom I will raise up for them. 
Jer 30:10  'Therefore do not fear, O My servant Jacob,' says the LORD, 'Nor be dismayed, O Israel; For behold, I will save you from afar, And your seed from the land of their captivity. Jacob shall return, have rest and be quiet, And no one shall make him afraid.