Question

why was king tuts demise a big event

Answer 1

He was the youngest pharaoh Egypt had ever seen. He is also thought to have been murdered by his uncle so that would be a devastating way to lose a young king

Answer 2

King Tut's death was a big event because not only he was a mere teenager when he died but also the last heir of one of the most strongest and powerful royal families that had their sway over the Egyptian empire. His death heralded the end of a powerful dynasty and a grand era.