Byzantine–Bulgarian war of 913–927
... that Simeon I of Bulgaria was crowned the first Tsar in history during the Byzantine–Bulgarian war of 913–927?
... that <a href="./Simeon_I_of_Bulgaria" id="mwBLs" rel="mw:WikiLink" title="Simeon I of Bulgaria">Simeon I of Bulgaria</a> was crowned the first <a href="./Tsar" id="mwBLw" rel="mw:WikiLink" title="Tsar">Tsar</a> in history during the <b id="mwBL0"><a href="./Byzantine–Bulgarian_war_of_913–927" id="mwBL4" rel="mw:WikiLink" title="Byzantine–Bulgarian war of 913–927">Byzantine–Bulgarian war of 913–927</a></b>?