On the Crucible, Professor Huyang recounts the events of the conflict to a group of Jedi younglings.
The Jedi Order's involvement in the Peacekeeping of Parliock was a battle that occurred sometime before the outbreak of the Clone Wars. The architect droid, Huyang, recalled the Peacekeeping during the Clone Wars as he lectured a class of Jedi younglings on the various conflicts that the Jedi had participated in.