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Pytheas of Massalia or (using the Latin form) Massilia (Ancient Greek Πυθέας ὁ Μασσαλιώτης) (4th century BC), was a Greek geographer and explorer from the Greek colony, Massalia (modern day Marseilles). He made a voyage of exploration to northwestern Europe at about 325 BC. He travelled around and visited a considerable part of Great Britain. Some of his observations may be the earliest report of Stonehenge.[citation needed] Pytheas is the first person on record to describe the Midnight Sun,[1] polar ice, Germanic and possibly Finnic tribes. He is the one who introduced the idea of distant Thule to the geographic imagination. His account of the tides is the earliest to state they are caused by the moon.


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