楚德湖
The Battle on the Ice (; , "Ledovoye poboishche"; ), alternatively known as the Battle of Lake Peipus (), took place on April 5, 1242. It was fought largely on the frozen lake Lake Peipus between the united forces of the Republic of Novgorod and Vladimir-Suzdal, led by Prince Alexander Nevsky, and the forces of the Livonian Order and Bishopric of Dorpat, led by Bishop Hermann of Dorpat.