だい いっ 上海 しゃんはい事変 じへんじゃなかったです
daii' jishan haijihenjanakattadesu

Noun
Desu Copula

The polite, past negative form of 第一次上海事変

1. It wasn't the Shanghai Incident.; It wasn't the First Shanghai Incident.

Past/Perfective
Negative
Polite
Casual Register