Along the bottom of our Atlas, you see the timeline, that functions as both a quick reference for what's happening in time, and a way to navigate through history. Stretch it to zoom in, Pinch it to zoom out. Slide it to move forward and backward in time. Click on empires to select them. Double click anywhere to show an article, and make that time the present time. Explore. See new connections and causalities. Be surprised by what was happening elsewhere in the world while the Romans dominated, or the Mongols marched. Learn.