> Starting from when, Emperor Jimmu? This system actually existed but it has an association with ww2 so it probably wouldn't go over very well now: https://en.

> Starting from when, Emperor Jimmu? This system actually existed but it has an association with ww2 so it probably wouldn't go over very well now: https://en.wikipedia.org/wiki/Japanese_imperial_year https://en.wikipedia.org/wiki/Japanese_imperial_year