For the year 2004 to 2005 Gasson became Lord Mayor of Cardiff .
Was the first Liberal Democrat to hold this office ( though Cardiff has had Liberal mayors in the past , for example John Batchelor ) .
For the year 2004 to 2005 Gasson became Lord Mayor of Cardiff and was the first Liberal Democrat to hold this office ( though Cardiff has had Liberal mayors in the past , for example John Batchelor ) .