"Battle on the Ice" refers to a famous historical event that took place on April 5, 1242, during the Northern Crusades. It was a confrontation between the forces of the Novgorod Republic led by Alexander Nevsky and the Teutonic Knights on the frozen surface of Lake Peipus. This battle is significant for its strategic importance in defending Russian territories from foreign invasion. The battle is often depicted in art and literature, symbolizing the struggle for independence and national identity. The victory of Alexander Nevsky and his troops helped to secure Novgorod's autonomy and marked a turning point in the conflict between the Russian principalities and the Teutonic Order.