 On returning through Saxony he crushed the imperial army at the second Battle of Breitenfeld on October 23, 1642.In 1643 Torstensson invaded Moravia for the second time, but was suddenly recalled to invade Denmark, when his rapid and unexpected intervention paralysed the Danish defence on the land side, though Torstenson's own position in Jutland was for a time precarious owing to the skilful handling of the Danish fleet by Christian IV of Denmark.In 1644 he led his army for the third time into the heart of Germany and routed the imperials at the battle of Jüterbog on November 23.