Tessarakonteres, or simply "forty", was a very large catamaran galley reportedly built in the Hellenistic period by Ptolemy IV Philopator of Egypt. It was described by a number of ancient sources, inc
The tessarakonteres, 1858 illustration
Ptolemy IV, who ordered the ship built
Speculative illustration of the Tessarakonteres with catamaran hulls, as Casson suggests
The Ptolemaic Kingdom or Ptolemaic Empire was an ancient Greek polity based in Egypt during the Hellenistic period. It was founded in 305 BC by the Macedonian Greek general Ptolemy I Soter, a companio
Ptolemy as Pharaoh of Egypt, British Museum, London
Hellenistic bust of Ptolemy I Soter, 3rd century BC, now in the Louvre
A bust depicting Pharaoh Ptolemy II Philadelphus 309–246 BC
Coin depicting Pharaoh Ptolemy III Euergetes. Ptolemaic Kingdom.