The 22nd Division is a military formation that typically refers to a specific unit within an army. Various countries have had a 22nd Division, each with its own history and role. For example, the United States Army has had several 22nd Divisions throughout its history, often involved in significant conflicts. In the context of the British Army, the 22nd Division was active during World War I and played a crucial role in various battles. Each division is usually composed of infantry, artillery, and support units, contributing to the overall military strategy of their respective forces.