YOU SAID:

but in the year negative forty thousan it was there

INTO JAPANESE

しかし、負の四十年でそれがあった

BACK INTO ENGLISH

But in the last forty years it was

INTO JAPANESE

しかし、過去40年間で

BACK INTO ENGLISH

But in the last 40 years

INTO JAPANESE

しかし、過去40年間で

BACK INTO ENGLISH

But in the last 40 years