From site:
HyperHistory is an expanding scientific project presenting 3,000 years of world history with an interactive combination of synchronoptic lifelines, timelines, and maps.
LearningReviews.com note: This interactive timeline includes domains on significant people, events and maps, with areas of concentration in science, culture, religion and politics. It is accompanied by a text history of the past 3,000 years. An “Options” button includes significant information that cannot be categorized into the four domains.