Count Tilly, commander of the Imperial forces, defeats Christian IV
of Denmark at Lutter in the Harz mountains of central Germany.
After this disaster, Christian abandons Brunswick, leaving northern
Germany under the control of the Catholic League.
Citation:
Editors. "Tilly defeats Christian IV of Denmark at Lutter".
The Literary Encyclopedia. First published 01 February 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=15951, accessed 26 May 2013.]