Answer: The british mark 1
Explanation:
The first use of tanks on the battlefield was the use of British Mark I tanks at the Battle of Flers-Courcelette (part of the Battle of the Somme) on 15 September 1916, with mixed results. Many broke down, but nearly a third succeeded in breaking through.
There's no list of answers so I am guessing you mean; "true or false?"
If so, that's true.