During the Middle Ages, the Chinese enjoyed a higher standard of living than almost any other contemporary nation. This high standard of living was made possible by their stable civilization, which for the most part had remained unbroken for centuries. While Europe was amid dark times, poverty, war and disease, China was flourishing, producing new art, science, and literary works.
We do not remember days; we remember moments.
To raise public revenue, Emperor Vespasian--who built the Colosseum--was the first to introduce pay toilets in the city of Rome.