The September 15, 1916. It was at this time that the British introduced tanks to battle in World War 1.
Army Tanks
The British invented tanks in WWI; to breach the trenches. ========== Early drawings for a tank appear in the notebooks of Leonardo DaVinci.
The first tanks saw action in 1916.
The first functional battle tanks were invented in 1915
Air tanks were invented to hold compressed air.
Wood was never used in the construction of army tanks.
The machinegun and barbed wire were causing a stale-mate in WWI; tanks (being bullet proof and having tracks instead of wheels) were able to break that stale-mate.
Russia has 21,790 tanks and world s' largest tank army.
Fish tanks were not 'discovered' they were invented.
According to Nation Master, as of 2013 there were 662 main battle tanks in the Bangladeshi army.
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Let's see, an army armed with spears vs an army armed with tanks. I'll take the tanks.