Of the attack where Lt.-Col. King lost his life, it was said that,
"They had poured out their blood like water. The bodies of 40 officers and 600 men lay in swathes about the wire..."
This was the blackest day in New Zealand's experience of war, with 2700 casualities. New Zealand Pioneer Battalion known as this until September 1917 when the unit became known as New Zealand (Maori) Pioneer Battalion.