五十 ごじゅう ねん まつりじゃありませんでした
gojūnemmatsurijārimasendeshita

Noun
Desu Copula

The polite, past negative form of 五十年祭

1. It was not a fiftieth anniversary celebration.; It wasn't a fiftieth anniversary.

Past/Perfective
Negative
Polite
Terminal Form