Γραφεία Ιδιωτικών Ερευνών & Ιδιωτικές Επιχειρήσεις Παροχής Υπηρεσιών ΑσφαλείαςBefore long after Thessaloniki was Launched in 315 BC, the town was surrounded by defensive partitions to resist assaults by King Pyrrhus of Epirus in 285 and with the Celts in 279. Constantine the Great