だい日本にっぽんゆたか秋津洲あきつしまじゃなかったです
dainippon'yutakākitsushimajanakattadesu

Noun
Desu Copula

The polite, past negative form of 大日本豊秋津洲

1. Wasn't Yamato-Tōkyō.; Wasn't abundant harvest land.

Past/Perfective
Negative
Polite
Casual Register