<a href="https://en.wikipedia.org/wiki/World_War_I" id="mwrg" rel="mw:WikiLink" title="World War I">World War I</a>: The creation of the <a href="https://en.wikipedia.org/wiki/Canadian_Automobile_Machine_Gun_Brigade" id="mwrw" rel="mw:WikiLink" title="Canadian Automobile Machine Gun Brigade">Canadian Automobile Machine Gun Brigade</a>, the first fully mechanized unit in the British Army.