Anton Wilhelm von L'Estocq
...that the arrival of Prussian troops led by Anton Wilhelm von L'Estocq prevented a Russian defeat in the 1807 Battle of Eylau?
...that the arrival of <a href="./Kingdom_of_Prussia" id="mwFJI" rel="mw:WikiLink" title="Kingdom of Prussia">Prussian</a> troops led by <b id="mwFJM"><a href="./Anton_Wilhelm_von_L'Estocq" id="mwFJQ" rel="mw:WikiLink" title="Anton Wilhelm von L'Estocq">Anton Wilhelm von L'Estocq</a></b> prevented a <a href="./Russian_Empire" id="mwFJU" rel="mw:WikiLink" title="Russian Empire">Russian</a> defeat in the 1807 <a href="./Battle_of_Eylau" id="mwFJY" rel="mw:WikiLink" title="Battle of Eylau">Battle of Eylau</a>?