Editors. "Alliance between Henry IV of France and Venice". The Literary Encyclopedia. First published 01 February 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=15595, accessed 18 April 2014.]
Henry IV signs a treaty of alliance and the Venetian Republic. At the same time, Venice signs a treaty with the Grisons, since the Swiss League controls the Valtelline Pass into northern Italy.