YOU SAID:

On that day, humanity recieved a grim reminder

INTO JAPANESE

その日、人類は厳しい思い出を受けた

BACK INTO ENGLISH

Humanity received grim memories that day.

INTO JAPANESE

その日、人類は厳しい思い出を受けました。

BACK INTO ENGLISH

That day, humanity received grim memories.

INTO JAPANESE

その日、人類は厳しい思い出を受けました。

BACK INTO ENGLISH

That day, humanity received grim memories.