じゅう ねん戦争 せんそうじゃありませんでした
jūgonen sensōjārimasendeshita

Noun
Desu Copula

The polite, past negative form of 十五年戦争

1. It was not the Fifteen Years' War.; It wasn't the Fifteen Years' War.

Past/Perfective
Negative
Polite
Terminal Form