A compelling data visualization maps the history of the world according to Wikipedia data.

This data visualization imagines the history of humanity as drops and ripples on a global map, with the frequency of the historical blips determined by Wikipedia data. It takes advantage of the fact that many Wikipedia articles have both coordinates and references to historical events. Creators Gareth Lloyd and Tom Martin describe their process:

[We] pulled out 424,000 articles with coordinates and 35,000 references to events. Cross referencing these produced 15,500 events with locations. Then we mapped them over time….[We] love the way it opens up, first resembling medieval maps of “The World” which included only Europe and some of Asia, then encompassing “The New World” and finally resembling a modern map.

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