YOU SAID:

This was the worst year ever.

INTO JAPANESE

これは史上最悪の年でした。

BACK INTO ENGLISH

This was the worst of the year.

INTO JAPANESE

これは、今年の最悪でした。

BACK INTO ENGLISH

This was the year's worst.

INTO JAPANESE

これは、今年の最悪でした。

BACK INTO ENGLISH

This was the year's worst.