<a href="https://en.wikipedia.org/wiki/Kingdom_of_Prussia" id="mwVA" rel="mw:WikiLink" title="Kingdom of Prussia">Prussia</a> begins the <a href="https://en.wikipedia.org/wiki/War_of_the_Fourth_Coalition" id="mwVQ" rel="mw:WikiLink" title="War of the Fourth Coalition">War of the Fourth Coalition</a> against <a href="https://en.wikipedia.org/wiki/First_French_Empire" id="mwVg" rel="mw:WikiLink" title="First French Empire">France</a>.