Paleontological and Paleobotanical Museum (Nostimo) teeth of a shark that was 20–25 m long, and a Late Pliocene (3.5 million years old) tooth of an "Anancus arvenensis", a mastodon, an ancient relative of the elephant, which has been recognised here for the first time in the wider area of Western Macedonia. The mastodon which lived in this area was about the same size as a modern elephant, but with longer tusks. Also displayed are some Neolithic tools (from the 4th millennium BC): a fishing weight, and a blade for harvesting crops. Paleontological and Paleobotanical Museum (Nostimo) The Paleontological and Paleobotanical Museum () at Nostimo is
Early modern Europe themselves as belonging to a national polity—a notable break from medieval modes of self-identification, which had been largely based upon religion (belonging to a universal Christendom), language, or feudal allegiance (belonging to the manor or extended household of a particular magnate or lord). The beginning of the early modern period is not clear-cut, but is generally accepted to be in the late 15th century or early 16th century. Significant dates in this transitional phase from medieval to early modern Europe can be noted: The end date of the early modern period is variously associated with the Industrial Revolution, which began