履歴 りれき現象 げんしょうではありませんでした
rirekigenshōdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 履歴現象

1. It was not a history/record of phenomena.; It was not a past occurrence.

Past/Perfective
Negative
Polite
Formal Register
Physics
Medicine