The first military use of Zeppelins came during this war
[DOC] [TLE] Zeppelin - Wikipedia [PAR] A Zeppelin was a type of rigid airship named after the German Count Ferdinand 
von Zeppelin ... Zeppelins were first flown commercially in 1910 by Deutsche ... 
During World War I the German military made extensive use of Zeppelins as ..... 
One airship, the L 19, came down in the North Sea because of engine failure and
... [DOC] [TLE] Aviation in World War I - Wikipedia [PAR] World War I was the first major conflict involving the large-use of aircraft.