Alexander the Great

Alexander III of Macedon (20/21 July 356 BC – 10/11 June 323 BC), commonly known as Alexander the Great (Greek: Ἀλέξανδρος ὁ Μέγας, Aléxandros ho Mégas Koine Greek: [a.lék.san.dros ho mé.gas]), was a king (basileus) of the Ancient Greek kingdom of Macedon and a member of the Argead dynasty. Continue reading

Diving bell was known from antiquity

Alexander the Great’s descent in a diving bell built by Colimpha circa 330 BCE, is the first report, possibly apocryphal, of a diver submerging in a bell-shaped enclosure that contained a supply of air. Continue reading