Prelude: pestilence on the front
How to use the Timeline
Option 1: Place your cursor in the thick gray area of the timeline and drag left (or right). You can click on any event in that gray area to snap the top display bar into place.Option 2: Use the thick black arrow on the far right to move sequentially through events.
To learn more about any event and/or explore the visual materials associated with the events, click on the event title. This will bring up the event "page." To return to the timeline, click on the timeline title in the upper left of the display.