Louis XIV of France and Holy Roman Emperor Leopold I sign a treaty
of neutrality. Leopold promises neutrality to France against the
Dutch, on the condition that Louis does not invade Spain or the
Empire.
Citation:
Editors. "Treaty of Neutrality between France and Emperor Leopold I".
The Literary Encyclopedia. First published 01 April 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=16567, accessed 20 May 2013.]