siege of Constantinople
...that during the siege of Constantinople in 626 AD, 12,000 Byzantine cavalry successfully fought off 80,000 Avars?
...that during the <b id="mwAq0"><a href="./Siege_of_Constantinople_(626)" id="mwAq4" rel="mw:WikiLink" title="Siege of Constantinople (626)">siege of Constantinople</a></b> in 626 AD, 12,000 <a class="mw-redirect" href="./Byzantine" id="mwAq8" rel="mw:WikiLink" title="Byzantine">Byzantine</a> cavalry successfully fought off 80,000 <a class="mw-disambig" href="./Eurasian_Avars" id="mwArA" rel="mw:WikiLink" title="Eurasian Avars">Avars</a>?