Historians had many ways to divide the last one-thousand-some years. The most common choice was the founding of the Great Zhou, and many of them also chose to use the chaos of the Hundred Herb Garden and the ascension of Emperor Taizong as a crucial point. Amongst the populace, quite a few people also chose the moment when Wang Zhice suddenly leapt onto the stage of the world as the start of a new generation, dividing those one-thousand-some years into history before and after Wang Zhice.
Because the roles he had played in the northern expeditions against the demons had been far too important, his deeds far too legendary.
On this day in history, his appearance also divided history into a 'before' and 'after'.