Immediately he mounted a major campaign against Poland , this time aiming for Lesser Poland .
In 1264 king Daniel of Galicia died and Shvarn received nominal overlordship over all of Kingdom of Galicia -- Volhynia as its duke .
Immediately Shvarn mounted a major campaign against Poland , this time aiming for Lesser Poland .
In 1264 king Daniel of Galicia died and Shvarn received nominal overlordship over all of Kingdom of Galicia -- Volhynia as its duke .