The Peace of Milan restored the Valtelline to the control of the
Grisons. The terms of the agreement allow passage through the
territory for Spanish troops.
Citation:
Editors. "Peace of Milan returns the Valtelline to the Grisons".
The Literary Encyclopedia. First published 01 February 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=16152, accessed 24 May 2013.]