Tong Yabghu
...that Tong Yabghu, khagan of the Western Turkic Khaganate, campaigned with the Byzantine Emperor Heraclius in the Caucasus Mountains?
...that <b id="mwEEQ"><a class="mw-redirect" href="./Tong_Yabghu" id="mwEEU" rel="mw:WikiLink" title="Tong Yabghu">Tong Yabghu</a></b>, <a href="./Khagan" id="mwEEY" rel="mw:WikiLink" title="Khagan">khagan</a> of the <a href="./Western_Turkic_Khaganate" id="mwEEc" rel="mw:WikiLink" title="Western Turkic Khaganate">Western Turkic Khaganate</a>, campaigned with the <a href="./Byzantine_Empire" id="mwEEg" rel="mw:WikiLink" title="Byzantine Empire">Byzantine Emperor</a> <a href="./Heraclius" id="mwEEk" rel="mw:WikiLink" title="Heraclius">Heraclius</a> in the <a href="./Caucasus_Mountains" id="mwEEo" rel="mw:WikiLink" title="Caucasus Mountains">Caucasus Mountains</a>?