The relationship between Showa years N and G is n = g-1925 = g-1900-25. That is, after 1900, the last two digits MINUS 25 is the Showa year.
Showa souvenir
In the sixth year of Showa (193 1), the Japanese army created the September 18th Incident on 18.
In the 12th year of Showa (1937), on July 7th, the Japanese army made the Lugouqiao Incident and began an all-round invasion of China. War of Resistance against Japanese Aggression broke out and the all-round war of resistance began.
In the 16th year of Showa (194 1)65438+ February 8th, the Japanese attacked Pearl Harbor and launched the Pacific War.
In the 20th year of Showa (1945), 15 August, Emperor Hirohito of Japan announced his unconditional surrender by radio.
If it appears in science fiction, it is not necessarily the year number of the Japanese emperor.