Which modern tradition is believed to have started in ancient egypt?

Many of its traditions and practices have endured until today. The Ancient Egyptians invented writing and were the first people who used the pen and sheets of papyrus to register everyday activity. The Ancient Egyptians were the first to celebrate Easter and they used to colour eggs at Easter time.

Explanation:

your list doesn't mention any of them at all.

and what does "these" mean anyway ?

the answer is 250 percent.