- Heritage Open Days, 9 - 12 September 2010 -
Over 80 historic properties across Hertfordshire are opening their doors for free as part of Heritage Open Days this September.
http://nds.coi.gov.uk//content/detail.aspx?NewsAreaId=2&ReleaseID=415221&SubjectId=34
seen at 05:45, 2 September in Charity Commission News - national.