Some of the many events taking place during Heritage Open Days 2007 (6th-9th September) include some that may be of interest if your ancestors came from the North Bucks area including events at Olney, MK Village, Bygone Bletchley Exhibition, Newport Pagnell, "A Taste of The Great War - A Local Slant" (at Milton Keynes Library), New Bradwell, Wolverton Works Tour. See: http://www.mkheritage.co.uk/hods/ for details (some events need advance booking) and http://www.heritageopendays.org/ed/ for other areas.