Below you can find the Emperor hirohito opened expo '70 in this city the first in asia to host a world's fair Jeopardy Words Answer. The answer to Emperor hirohito opened expo '70 in this city the first in asia to host a world's fair has 5 letters. This clue belongs to the World cities category and is part of Jeopardy Word Level 1911. If you scroll near the bottom you will find other clues and answers part of level 1911