On the eve the battle, British troops have ringfenced Gate Pa. Māori are out-numbered 7:1. Can they survive the biggest artillery bombardment ever on New Zealand soil and face down the might of empire? It's a clash between the world's most powerful artillery and revolutionary pa design, and one that spills over into more violence at Te Ranga.

Watch the video documentary here.

On the eve the battle, British troops have ringfenced Gate Pa. Māori are out-numbered 7:1.

Can they survive the biggest artillery bombardment ever on New Zealand soil and face down the might of empire? It's a clash between the world's most powerful artillery and revolutionary pa design. Plus, what happens next at the oft-forgotten Battle of Te Ranga?

Host Justine Murray continues her journey into her whānau's past and the competing truths of Aotearoa's history.

Go to this episode on rnz.co.nz for more details