The Battle of Velikiye Luki, also named Velikiye Luki offensive operation, started with the attack by the forces of the Red Army's Kalinin Front against the Wehrmacht's 3rd Panzer Army during the Winter Campaign of 1942–1943 with the objective of liberating the Russian city of Velikiye Luki as a previous part of the northern pincer of the Rzhev-Sychevka Strategic Offensive Operation. Wikipedia