Sweden and Poland sign the Truce of Altmark. This treaty is very
favourable to Sweden, as it retains Livonia, Memel, Pillau,
Braunsberg and Elbing. What is more, the city of Danzig is
henceforth to pay two-thirds of the customs duties levied in its
port to Sweden.
Citation:
Editors. "Truce of Altmark between Sweden and Poland".
The Literary Encyclopedia. First published 01 February 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=15999, accessed 23 May 2013.]