Àdàkọ:POTD/2008-08-01
| Àwòrán Ọjọ́ Òní | |
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A 1918 silent film clip showing tanks in World War I. The tank was the most rapidly developed weapon system in the history of warfare. From non-existence, the tank went from concept to the decisive edge in World War I in less than three years. Film credit: U.S. National Archives | |