国民 こくみん てき行事 ぎょうじじゃなかったです
kokumin teki gyōjijanakattadesu

Noun
Desu Copula

The polite, past negative form of 国民的行事

1. It wasn't national practice.; It wasn't typical behavior for the nation.; It wasn't a national custom.

Past/Perfective
Negative
Polite
Casual Register