Suppiluliumas was a king of the Hittites who reigned during the 14th century BCE. He is known for his military campaigns and diplomatic skills, as well as for expanding the Hittite Empire to its greatest extent. Suppiluliumas is also famous for his correspondence with the Egyptian pharaohs, particularly during the Amarna period. His reign is considered a significant period in Hittite history, and he is remembered as a powerful and influential ruler.