365 not out
... that Sir Gary Sobers's 365 not out is the highest maiden century by a batsman in Test cricket?
... that <a class="mw-redirect" href="./Sir_Gary_Sobers" id="mwDv4" rel="mw:WikiLink" title="Sir Gary Sobers">Sir Gary Sobers</a>'s <b id="mwDv8"><a href="./List_of_international_cricket_centuries_by_Garfield_Sobers" id="mwDwA" rel="mw:WikiLink" title="List of international cricket centuries by Garfield Sobers">365 not out</a></b> is the highest maiden century by a batsman in <a href="./Test_cricket" id="mwDwE" rel="mw:WikiLink" title="Test cricket">Test cricket</a>?