Schama NUMBER@1 , p. NUMBER@2 LOCATION@1 declared war on LOCATION@2 -LRB- NUMBER@3 April NUMBER@4 -RRB- and LOCATION@3 joined on the MISC@1 side a few weeks later .

On 20th April , NUMBER@4 , the ORGANIZATION@1 voted to declare war on LOCATION@2 -LRB- Holy Roman Empire -RRB- . Soon , LOCATION@3 joined on the MISC@1 side .
