Tons of timeline and patch notes resources here:
http://wiki.project1999.com/Timeline
Things left in the timeline to implement before Luclin:
* Befallen revamp event
* Stonebrunt Mtns
* Chardok revamp
* Monk triple attack and 2-hander revamp
* Project M
Cazic-Thule and Jaggedpine were all 2002 (post-Luclin).