It very well might just be me, but there seems to be so much material in the Timeline tool that it's nearly unusable to the average Joe.
The filters I'm sure are handy to some, but they are such broad categories, I honestly can't think of an application where they would narrow down the results to a useful set of items. In addition, to search by text string seems kind of a hit or miss way of getting what you want (you have to know specifically what you're searching for to find it).
That being said, it would be nice if there were curated "sets" that focused on a narrow slice of history. For instance, if I could select "Kings of Egypt", "Assyrian Empire", "Early Exodus View", or others.
I know you can fit the timeline to a particular period in history and I understand that there are "types" and "filters." Maybe I just don't know how to use them effectively. But I figure if I can't figure it out, then there are plenty of others that can't either.