Banderia Prutenorum anno domini millesimo quadringentesimo decimo in festo Divisionis Apostolorum erecta contra Polonie regem Wladislaum Jagyelno et per eundem regem prostrata et Cracouiam adducta ac in ecclesia catedrali suspensa, que, ut sequitur, in hune modum fuerunt depicta.
The event described is a historical banner erected during a religious ceremony at Prutenorum, marking a significant political event involving King Władysław Jagiełło of Poland.