FTP name this longest battle of WWI fought near the Battle of the  Somme.
This battle begun on February 21, 1916 was designed by the Germans to cause  France to sustain massive casualties as they struggled to defend about 60 forts in the  area. This battle also saw the first use of large amounts of flame throwers which  were used to aid the German advance. Combined casualties are estimated at around  700,000 men. FTP name this longest battle of WWI fought near the Battle of the  Somme.
This battle begun on February 21, 1916 was designed by the Germans to cause  France to sustain massive casualties as they struggled to defend about 60 forts in the  area.
Battle of Verdun