<human>:  How many days did the Second Battle of El Alamein last?
<bot>: The Second Battle of El Alamein lasted from October 23 to November 2, 1942. It was a major battle in the North African Campaign of World War II. The battle was fought between the British Eighth Army and the German Afrika Korps. The battle was a turning point in the war, as it was the first time that the British had been able to defeat the Germans in a major battle.