WONDER #1666: Why Are There Seven Days in a Week?
Question 1 of 3
Historians believe the seven-day week dates back to which ancient civilization?
Question 2 of 3
Roman Emperor Constantine formally adopted the seven-day week in what year?
Question 3 of 3
Which of the following was NOT one of the seven heavenly bodies revered by the Babylonians?
Check your answers online at https://www.wonderopolis.org/wonder/why-are-there-seven-days-in-a-week.