We know that the eggs last from the acheological digs that found the ancient Trypillian designs on real eggshells. Trypillian eggs date back to the Neolithic Era, thousands of years before man became domesticated. All around the world man worshipped animal and nature spirits. When man tried to capture the spirit, he would depict it in drawing on cave walls, in the dirt, or any object they could carry with them. Before man became domesticated with religion and politics, life and survival were universal world wide.
All ancient digs uncover the uncanny uniformation of ancient uncivilized man.
When Christianity came to Ukraine in 988 AD, it was believed that the entire world was Christian. When the word Christianity is in a meaning, it actually stands for Mankind. Christian man was considered to be civilized, and not pagan. Every detail, and every color has a meaning on the Pysanka.