They refused to take off their hats, show respect to those in charge or even call the days of the week by their usual names - historian Ben Pink Dandelion reveals how the early Quakers' religious principles led them to break with social norms in 17th-century England. Listen to the full conversation ad-free at historyextra.com/podcast or search 'historyextra' wherever you listen to podcasts. 📸 by Getty Images | HistoryExtra