Charles de Gaulle was Prime Minister of the Fifth French Republic.
Ptoion -LRB- Ancient Greek Ptoion Πτωιον , also Ptoon Πτωον  /  Πτωον , Modern Greek Ptoo Πτωο or Oros Pelagias Ορος Πελαγιας -RRB- is a mountain chain in northeastern Boiotia .. Ancient Greek. Ancient Greek language. Modern Greek. Modern Greek. Boiotia. Boiotia. It stretches from Akraiphia by the former Lake Copais in the west to the Gulf of Euboea in the east , reaching up to 725 m -LRB- Agia Pelagia -RRB- in the west and 781 m -LRB- Petalas -RRB- in the east .. Akraiphia. Akraiphia. Lake Copais. Lake Copais. Gulf of Euboea. Gulf of Euboea. The massif is particularly famed for the oracle of Apollo which was located in it in antiquity and was among the most important Greek oracles up to the time of the Persian Wars .. Apollo. Apollo. Persian Wars. Persian Wars