Battle of Gniewkowo was fought in 1375, during Wà Âadysà Âaw the White's rebellion, between rebel forces of Wà Âadysà Âaw the White, that included Duchy of Gniewkowo and Burgundian military units aided by Philip the Bold, against forces of Kingdom of Poland led by SÃÂdziwój Paà Âuka, and Pomerania-Stolp led by Casimir IV. It was fought near Gniewkowo, a capital of Duchy of Gniewkowo, ruled by Wà Âadysà Âaw. The battle ended with a decisive Polish victory and severe casualties on the rebel side. After the defeat, Wà Âadysà Âaw had retreated with his remaining forces to the Zà Âotoria Castle, where they had faced a siege.