Battle on the Irghiz River
... that historians do not agree on whether the Battle on the Irghiz River took place in 1209 or 1219?
... that historians do not agree on whether the <b id="mwiw"><a class="mw-redirect" href="./Battle_on_the_Irghiz_River" id="mwjA" rel="mw:WikiLink" title="Battle on the Irghiz River">Battle on the Irghiz River</a></b> took place in 1209 or 1219?