The Battle of the Aisne took place from September 13 to October 28, 1914, during World War I. It was a significant conflict between the Allied Powers, primarily France and Britain, and the German Empire. This battle followed the First Battle of the Marne and marked the beginning of trench warfare on the Western Front. The fighting occurred along the Aisne River in northern France, where both sides dug extensive trench systems. Despite initial advances, the battle resulted in a stalemate, with heavy casualties on both sides. The outcome contributed to the prolonged nature of the war, as neither side could secure a decisive victory.