Alfred von Schlieffen his troops were pushed back in the Battle of the Marne. Schlieffen was perhaps the best-known contemporary strategist of his time, although criticised for his "narrow-minded military scholasticism." Schlieffen's operational theories were to have a profound impact on the development of manoeuvre warfare in the 20th century, largely through his seminal treatise, "Cannae", which concerned the decidedly un-modern battle of 216 BC in which Hannibal defeated the Romans. Cannae had two main purposes. First, it was to clarify, in writing, Schlieffen's concepts of manoeuvre, particularly the manoeuvre of encirclement, along with other fundamentals of warfare. Second, it was to be
Ancient Celtic music The recital of "barbaric songs" is reported for a member of the Celtiberian infantry during the battle of Cannae in 216 BC, as he was attacked by the Roman consul. National songs are already attested by Tacitus for the Caledonians. Livius reports Gallic war songs that were heard at the river Allia. After the Gallic victory (ca. 387 BC) the city's inhabitants had to endure the dissonant battle chants. A sole Gallic warrior is reported to have gone into a fight singing. Livius on the other hand only describes the Roman Titus Manlius, who would defeat him in 361 BC,