Lithuanian raid on Poland

Lithuanian raid on Poland was an attack of Grand Duchy of Lithuania and Duchy of Belz on the Kingdom of Poland that took place in autumn 1376. It was led by Kęstutis, Liubartas and Jurgis Narimantaitis. During the attack, Lithuanian forces crossed the San river and marched along the Vistula river until they got near Tarnów. During the attack, they raided the passed area and took approximately 23 000 people into captivity. After the attack, they retreated to the Duchy of Belz.

Aftermath
In 1377, Louis undertook a retaliatory expedition, besieging the castle in Bełz with the Hungarians, and the people of Lesser Poland and Sieradz, together with the Silesian princes: the Hungarian palatine Władysław of Opolczyk, Bolesław III and Konrad II of Oleśnica, recaptured Chełm, Horodło, Grabowiec and Sewołoż.