Created in association with the American Museum of Natural History, this amazing reference includes hundreds and hundreds of illustrations and captions, and is broken out into subject areas, continents and dates, so you can compare events across the world at any given time. Did you ever wonder what on earth was going on at the time of Henry VIII? Discover what else was happening at the time: Martin Luther is protesting against the Pope, Columbus has navigated his way to the Americas, Copernicus is expounding his radical theory about the universe, and the Incas are inhabiting their summer palace Machu Picchu. This giant wallchart is specially designed to be unfolded and makes a spectacular display for any library, bedroom, classroom, or anywhere curious people dwell. What on Earth? Posterbooks are fully laminated for extra durability and are easy to mount on a wall.