銀河 ぎんが帝国 ていこくじゃありませんでした
ginga teikokujārimasendeshita

Noun
Desu Copula

The polite, past negative form of 銀河帝国

1. Was not the Galactic Empire.; Wasn't the Galactic Empire.

Past/Perfective
Negative
Polite
Terminal Form