The tank is 100 years old. The first one used by the British Army was used in 1916 during the Battle of The Somme.
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First Tank Commander's Daughter
The first ever British Army solider to command a tank was Capt Harold William Mortimore in 1916. His daughter, Tilly Mortimore, speaks about her father and reveals what he told her about being on the WWI battlefield about to drive up to the German lines in his Mark I tank.
Archive footage supplied courtesy of the Tank Museum