On this day, Soviet forces permanently break the Leningrad siege line, ending the almost 900-day German-enforced containment of the city, which cost hundreds of thousands of Russian lives.
The siege began officially on September 8, 1941. The people of Leningrad began building antitank fortifications and succeeded in creating a stable defense of the city, but as a result were cut off from all access to vital resources in the Soviet interior, Moscow specifically. In 1942, an estimated 650,000 Leningrad citizens perished from starvation, disease, exposure, and injuries suffered from continual German artillery bombardment.
Barges offered occasional relief in the summer and ice-borne sleds did the same in the winter. Slowly but surely a million of Leningrad's young, sick, and elderly residents were evacuated, leaving about 2 million to ration available food and use all open ground to plant vegetables.
On January 12, Soviet defenses punctured the siege, ruptured the German encirclement, and allowed more supplies to come in along Lake Ladoga. The siege officially ended after 872 days (though it is often called the 900-day siege), after a Soviet counteroffensive pushed the Germans westward.