The history tab displays all status changes for the host, like "Last State Change" in Hud, but for entire host's life.

• On the left (1), the date
• On the right :
  •  Top (2) : A summary of state changes for the day. Each status in % are represented with gauges.

  • Bottom (3) : A list of all status ranges for the day.

For each range :

In this detail list, context changes are also shown
(flapping, acknowledge, downtime...)

Note that if there is only one range,
the detail list is not displayed :