1810-1900 1842-1930 1861-1865 1866-1937 1916 19thcentury 1st(1861-1865) 20thcentury armedforces armoredvehicles armstrong arthurjosephhungerford artilleryoperations battleof battleships bayonets biological chemicalwarfare chemicalweapons civilwar civilwarperiod(1850-1877) correspondence defenseindustries equipment equipmentandsupplies firearms firecontrol(navalgunnery) germany greatbritain history illinois inventions jutland military militaryleadership pollen regimentalhistories shepherd ships soldiers sources tanks(militaryscience) technologicalinnovations unitedstates warships weapons weaponssystems williamt