"The Light Brigade" refers to a famous military unit of British cavalry that fought during the Crimean War. The most notable event involving the Light Brigade occurred during the Battle of Balaclava on October 25, 1854. They are remembered for their charge against Russian artillery, which was a miscommunication of orders that led to heavy casualties. The charge was immortalized in the poem "The Charge of the Light Brigade" by Alfred Lord Tennyson, highlighting themes of bravery and the futility of war. Despite their valor, the Light Brigade suffered significant losses, with many soldiers killed or wounded, making it a poignant moment in military history.