Fire By Volley: European Musketry at War While musket volley fire was used often during 17th and 18th-century warfare, the methods of delivery of that firepower frequently diverged. Here's What You Need to Know: While most students of military history are aware of the use of musket volley fire during 17th- and 18th-century warfare, the methods of delivery of that firepower often remain little known or appreciated. On the snowy field of Mollwitz, Poland, on April 10, 1741, newly installed King Frederick II of Prussia faced a formidable army of Austria. After initiating the War of the Austrian...