To start off, let's go through some of the most relevant events in the battle:
- July 17, 1942 - Battle of Stalingrad begins as the Luftwaffe begins to bomb the city and Soviet shipping on the Volga River.
- August 23, 1942 - Panzer column reaches Volga River just north of Stalingrad.
- September 13, 1942 - German ground offensive starts in the city.
- November 19, 1942 - Red Army begins Operation Uranus to encircle German 6th Army.
- November 23, 1942 - Encirclement is complete trapping roughly 290,000 Axis troops.
- December 12, 1942 - Field Marshal von Manstein's army group launches an attack to relieve the 6th Army in Stalingrad. German advance is pushed back by the Soviets.
- February 2, 1943 - German troops trapped at Stalingrad surrender.
(Timeline taken from: http://www.russia-ukraine-travel.com/battle-of-stalingrad.html)