For centuries following the decline of ancient Egyptian civilisation, the meaning of hieroglyphic writing remained entirely lost to scholars, its symbols dismissed by many as purely symbolic or mystical rather than representing an actual functional writing system capable of recording spoken language. This changed dramatically following the 1799 discovery of the Rosetta Stone, a stone slab inscribed with the same decree written in three separate scripts: hieroglyphic, a simplified Egyptian script known as Demotic, and ancient Greek. Because scholars could already read ancient Greek fluently, the stone provided a crucial key for beginning to decode the previously unreadable hieroglyphic sections, since researchers could compare passages that were presumed to correspond to the same underlying text across all three scripts. Progress toward full decipherment remained slow, however, until a French scholar's crucial insight in the 1820s: recognising that certain hieroglyphic symbols functioned phonetically, representing individual sounds rather than exclusively standing for whole concepts or objects, as had commonly been assumed. This breakthrough insight, combined with years of painstaking comparative analysis, eventually allowed for the systematic decipherment of hieroglyphic writing as a whole. The successful decoding of hieroglyphs subsequently opened up vast quantities of previously inaccessible ancient Egyptian texts, ranging from religious writings to detailed administrative and historical records, fundamentally transforming scholarly understanding of ancient Egyptian civilisation and establishing Egyptology as a rigorous academic discipline in its own right.