History 101
There's a ton of history, and while most of it's pretty boring, the galaxy's a big enough place such that something interesting was pretty much always happening. If we go by the most accepted history lessons, the past Twenty-six Thousand years or so can be divided into twelve ages. Click on the part of the timeline that interests you and the article will appear to the right.
BC23800-BC21651
BC21650-BC19501
BC19500-BC17351
BC17350-BC15171
BC15170-BC13051
BC13050-BC10901
BC10900-BC8751
BC8750-BC6621
BC6620-BC4481
BC4480-BC2201
BC2200-BC0
AD1-Present