REIWA Era.

There is an era in Japan.Basically, when the Emperor changes, the era changes.Or, the era name of Japan is changed when there is a natural disaster and the plague and it wants to change the mood.On May 1, 2019, the era name was changed from HEISEI to REIWA, Emperor changed.HEISEI means that the world becomes peaceful. REIWA means that the world will be beautiful and symphony.The era name is often decided from Chinese classics. This is because Japan has studied China since ancient times, and there are many researchers in Chinese history and classical literature. Since Japan was attacked 750