The monuments of Philae include many structures dating predominantly to the Ptolemaic Period (332–30 BC). The most prominent of these is a temple begun by Ptolemy II Philadelphus (285–246 BC), which he dedicated to Isis, the mother of Horus, the god of kingship. A scene in the mammisi, or birth room, where the birth of Horus was celebrated, depicts Isis suckling her son Horus in the marshes All these monuments were relocated from the original Philae Island to the nearby island of Agilkia during the UNESCO Nubia Campaign in the 1960’s to rescue sites flooded by the construction of the Aswan High Dam