Pride & Prejudice was only on a 14-week schedule.
 When the seven-day week came into use in Rome during the early imperial period, it did not immediately replace the older eight-day nundinal system
=== Modern calendar reforms ===The International Fixed Calendar (also known as the "Eastman plan") kept a 7-day week while defining a year of 13 months with 28 days each (364 days)

