Behold, the Official History of Japan Japanese History Timeline! Available at the following location:
It’s scalable using the selectors on the bottom, so you can get everything from a detailed look at a specific period to a general overview of the goings-on for entire centuries. Selecting a specific era or event will also bring up a few paragraphs of details if you need a refresher.
I’ll be updating the timeline as we move along, so check back in every once and a while for new information.