 Complete the following phrase:  Between 1409-1411 Janusz I continued his support to Władysław II Jagiełło in the great war against the Teutonic Order and fielded a banner of cavalry to aid the Polish King. In the village of Czerwińsk nad Wisłą, Janusz I designated the place of concentration of the united Polish-Lithuanian army. From there him, at the head his army organized their squadrons of knights and went to Grunwald, where on 15 July 1410 took place 