史上 しじょう最高 さいこうではありませんでした
shijō saikōdewārimasendeshita

Noun
Desu Copula
no-Adjective

The polite, past negative form of 史上最高

1. Was not the greatest in history.; Was not the highest in history.

Past/Perfective
Negative
Polite
Formal Register