Editors. "Convention of St. Petersburg between Britain, Holland and Russia". The Literary Encyclopedia. First published 01 April 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=17561, accessed 18 April 2014.]
Britain, Holland and Russia sign the Convention of St. Petersburg. By the terms of this agreement, the Tsar's troops are permitted to pass through Germany. In addition, Britain gives subsidies for 30 000 men.