🛕 Plovdiv, Bulgaria, is one of the oldest cities in Europe, having been continuously inhabited since the 6th millennium BC. from the Thracian tribes. The first historical references we have of the city date back to the 4th century BC. when it was given the name Philippopolis in honor of Philip II the Macedonian (382-386 BC), father of Alexander the Great, who conquered it in 342 BC. In 46 BC Filippopoli was conquered by the Romans, who changed its name to Trimontium (city of the three hills) 📹