**Monks : ** A charterhouse was a Carthusian monastery. In later years some admitted sick people for care, although not specifically lepers.
Which group of 6 women in ancient Rome each had a term of office of 30 years (10 to be trained, 10 to work, including keeping a flame alive, and 10 to educate others)?
What was probably the first commercial offshore radio station in the world, a Danish station that started regular transmission on 2 August 1958?
Which calendar, introduced in 46 BC, had a regular year of 365 days divided into 12 months, and a leap day added to February every four years?
