Conference of Dresden
... that despite gathering an emperor, six kings, and numerous princes at the Conference of Dresden, Napoleon was largely preoccupied with planning his invasion of Russia?
... that despite gathering an emperor, six kings, and numerous princes at the <b id="mwBDM"><a href="./Conference_of_Dresden_(1812)" id="mwBDQ" rel="mw:WikiLink" title="Conference of Dresden (1812)">Conference of Dresden</a></b>, Napoleon was largely preoccupied with planning his <a href="./French_invasion_of_Russia" id="mwBDU" rel="mw:WikiLink" title="French invasion of Russia">invasion of Russia</a>?