Juvenalia
...that at the age of 21, Roman Emperor Nero instituted the games of Juvenalia in recognition of the first shaving of his beard?
...that at the age of 21, <a href="./Roman_Empire" id="mwCHo" rel="mw:WikiLink" title="Roman Empire">Roman</a> Emperor <a href="./Nero" id="mwCHs" rel="mw:WikiLink" title="Nero">Nero</a> <i id="mwCHw">(pictured)</i> instituted the games of <b id="mwCH0"><a href="./Juvenalia" id="mwCH4" rel="mw:WikiLink" title="Juvenalia">Juvenalia</a></b> in recognition of the first shaving of his beard?