Sometimes you need to publish information only between specific dates, only from a particular starting date, or until a certain date in the future. Interspire Knowledge Manager makes it easy to publish time-sensitive content with the ability to specify start and end dates for every article.

Article start and end dates are useful to publish:
Once an article has expired and is removed from your knowledge base, it wont be listed and cannot be found in search results. It will still appear in the control panel, however.