YOU SAID:

For the first time in history, it's going to start raining men

INTO JAPANESE

史上初めて、それは男が降っているを開始する予定です。

BACK INTO ENGLISH

History for the first time, it's raining men is going to start.

INTO JAPANESE

初めての歴史、男性を雨が降って開始する予定です。

BACK INTO ENGLISH

It is going to start raining men, for the first time in history.

INTO JAPANESE

それは、史上初めて、男性を雨を開始する予定です。

BACK INTO ENGLISH

It implies:

INTO JAPANESE

それは、

BACK INTO ENGLISH

It implies: