civil defense: References & Edit History

Article Contributors

Primary Contributors

  • The Editors of Encyclopaedia Britannica
    Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.

Other Encyclopedia Britannica Contributors

Article History

Type Description Contributor Date
Deleted Web site: Doctors for Disaster Preparedness. Jun 27, 2013
Add new Web site: Fact Monster - History - Civil Defense. Nov 18, 2011
Videos of 1955 national air raid drill and excerpt from Duck and Cover added. Jan 25, 2011
Media added. Oct 13, 2009
Article revised. Mar 12, 2004
Article revised. Nov 26, 2003
Article added to new online database. Jul 20, 1998
View Changes:
Article History
Revised:
By: