This is also very true of the events reported in Wikipedia, see this animated timeline of (a hopefully representative set of) historical events reported in Wikipedia. Is really is "Europe meets the world":

https://www.reddit.com/r/MapPorn/comments/1l3xl8x/events_fro...

I agree with others in this thread that this more probably "information-biased" than "eurocentric" on the part of the Atlas creator. Pretty sure they wish non-european history was easier to find and aggregate as it would make the project much more compelling (I certainly had this problem with https://landnotes.org/).

I am hoping LLMs will do a lot of good at bridging gaps and surfacing world historical information that didn't make it yet to centralized projects like Wikipedia.