YOU SAID:

Today I was very bored and then I died

INTO JAPANESE

今日はとても退屈して死んでしまいました

BACK INTO ENGLISH

I was so bored today that I died

INTO JAPANESE

今日はとても退屈だったので死にました

BACK INTO ENGLISH

I died because I was so bored today

INTO JAPANESE

今日はとても退屈だったので亡くなりました

BACK INTO ENGLISH

I died because I was so bored today