The butterfly effect: How a 19th century royal wedding led to a record-breaking hit In DG #38 we looked at how a 19th-century royal wedding ban led to a record-breaking crossover hit. This infographic was published in DG #38. Pick up a copy in our online shop or take out an annual subscription using the promotion code ‘SLOWNEWSDAY’ for 10 percent off. 20th July 1886 Sybil Frances Grey weds William Eden Bart at St Paul’s Cathedral. […]