昭和しょうわ元禄げんろくではありませんでした
shōwagenrokudewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 昭和元禄

1. Was not the Showa and Meiji period.; Was not Showa-Meiji.

Past/Perfective
Negative
Polite
Formal Register