The history of the Acropolis dates back to the Neolithic period, with evidence of early settlements around 4000 BC. In the Mycenaean era (1600-1100 BC), it became a fortified citadel. However, its golden age truly began in the 5th century BC, following the Persian Wars. Under the leadership of Pericles, an ambitious building program transformed the Acropolis into the monumental complex we largely see today. The Parthenon, built between 447 and 432 BC, was the most significant project, designed by architects Ictinus and Callicrates, with sculptural decoration by Phidias. Subsequent structures like the Propylaea, Erechtheion, and Temple of Athena Nike further enhanced its grandeur. Throughout Roman, Byzantine, Frankish, and Ottoman periods, the Acropolis served various purposes, from a Christian church to a mosque, and later a Turkish garrison. Many of its sculptures and architectural elements were removed or damaged over centuries. In the 19th century, with the establishment of the modern Greek state, efforts began to restore and protect the Acropolis, leading to ongoing archaeological work and conservation projects that continue to this day, preserving its status as a universal symbol of classical spirit and civilization.