Okinawa soba
...that during the era of Ryukyu Kingdom the noodle soup Okinawa soba could only be eaten by royalty until Okinawa's annexation by Japan in the late 19th century?
...that during the era of <a href="./Ryukyu_Kingdom" id="mwBO4" rel="mw:WikiLink" title="Ryukyu Kingdom">Ryukyu Kingdom</a> the <a href="./Noodle_soup" id="mwBO8" rel="mw:WikiLink" title="Noodle soup">noodle soup</a> <b id="mwBPA"><a href="./Okinawa_soba" id="mwBPE" rel="mw:WikiLink" title="Okinawa soba">Okinawa soba</a></b> could only be eaten by royalty until <a class="mw-redirect" href="./Okinawa" id="mwBPI" rel="mw:WikiLink" title="Okinawa">Okinawa</a>'s annexation by <a href="./Japan" id="mwBPM" rel="mw:WikiLink" title="Japan">Japan</a> in the late <a href="./19th_century" id="mwBPQ" rel="mw:WikiLink" title="19th century">19th century</a>?