Catherinehof
...that, before his departure from Saint Petersburg, Giacomo Casanova gave a party for thirty guests at the imperial estate Catherinehof ?
...that, before his departure from <a href="./Saint_Petersburg" id="mwA94" rel="mw:WikiLink" title="Saint Petersburg">Saint Petersburg</a>, <a href="./Giacomo_Casanova" id="mwA98" rel="mw:WikiLink" title="Giacomo Casanova">Giacomo Casanova</a> gave a party for thirty guests at the imperial estate <b id="mwA-A"><a href="./Catherinehof" id="mwA-E" rel="mw:WikiLink" title="Catherinehof">Catherinehof</a></b> (<i id="mwA-I">pictured</i>)?