In 1904-1905, it defeated the European power Russia.
19 12-1926, known as the Taisho era. On February 25th, 65438, Emperor Taishi passed away. Hirohito became Emperor of Japan and changed his title to Showa.
1926-1989, historically known as the Showa era.
From 1990, Japan entered the Heisei era, that is, the reign of Emperor Akihito.
2. Russia/Soviet Union 1922 12.30 was established. By the Battle of Nomenkan in 1939, Japan tried to attack the Soviet Union, but it ended in a fiasco, and later changed to the strategy of going south.
To sum up, 1926, there is no war between Japan and Russia/Soviet Union.
It is necessary to forcibly say that after the Russo-Japanese War in the Tsar era from 65438 to February 8, 0904 -65438 to September 5, 0905, the Russo-Japanese War was defeated. (Among them, there is the famous naval battle against Malaysia, that is, the confrontation between Tougou Heihachirou and makarov)
That's it. 1926 Russia and Japan should not go to war. Maybe you remember wrong, but I don't know. Thank you. Hope to adopt.