The Mortier de 280 Modele 1914 was a 280mm sieg howitzer fielded by the French Army during the Great War and by the Wehrmacht on the Eastern Front during World War II. Developed and built by the French firm Schneider et Cie, it entered service in 1914 and saw combat action in every battle the French forces took part in, such as the Battles of Verdun, the Somme, and the Aisne.
The Mortier de 280 M1914 Schneider was fitted with an interrupted screw breech, a hydro-pneumatic recoil system, and a 3.3m-long barrel that fired 450-pound (205kg) shells to a maximum range of 11 km. The howitzer was mounted on a box carriage, fixed on a steel platform. Its elevation could be adjusted from +10º to +60º. It had a total weight of 16 tons and required a crew of 12.