A war letter encrypted by French Emperor Napoleon Bonaparte over 200 years ago has finally been deciphered, thanks to artificial intelligence (AI). The coded message remained a mystery for centuries until AI cracked it in just hours. This breakthrough demonstrates AI’s growing potential in historical research, allowing access to previously unreadable texts. Whether it’s decoding correspondence or enabling the “voices” of ancient, charred papyri to be heard, AI is opening new avenues for understanding the past. The achievement was reported by the AFP news agency, highlighting the revolutionary impact of AI on the field of history. This successful decryption represents a significant advancement in applying AI to solve long-standing historical puzzles. It signifies a new era in uncovering hidden narratives from the past.