The day coincided with the flood season that brought the fertilized mud to the lands of Pharaohs, who used to throw a bride of wood into the Nile River as a sacrifice in a great ceremony, held in the presence of the king and senior officials.
It's also one of the myths associated with Pharaoh's gods like "Hapy," who held an unrivaled position among the gods of ancient Egypt.
Fondly known as the “Father of the Gods, he was worshipped and feared for his unpredictable powers associated with creation, renewal, and fertility and also with destruction and drought. Pharaohs and commoners paid him lavish honors.
It's almost impossible to imagine Ancient Egyptian civilization and epic Pyramids without the existence of the Nile River, and it's clear that without it, Egypt would have been a desert.
And thus, the ancient Egyptians sanctified the Nile and made it a symbol of their civilization since the dawn of time.