Some of those things can be found just by looking around at this site a little bit...
http://www.unrv.com/provinces/province-chronology.php
http://www.unrv.com/government/emperor.php
http://www.unrv.com/military/battles-of-th...rst-century.php
http://www.unrv.com/military/battles-of-th...ond-century.php
We are still progressing on a concise history of the Empire, but if just go through our emperor list and run some Google searches on pretty much any of the 1st-2nd century emperors, I'm sure you'll pull up plenty of stuff. Hadrian, Trajan, etc, etc...