YOU SAID:
pizza is the greatest invention in human history
INTO JAPANESE
ピザは人類の歴史における最高の発明である
BACK INTO ENGLISH
pizza is the greatest invention in the history of mankind
INTO JAPANESE
ピザは人類の歴史の中で最も偉大な発明である
BACK INTO ENGLISH
pizza is the greatest invention in the history of mankind
That didn't even make that much sense in English.