When Anne Boleyn says to one of Catherine of Aragon's ladies in waiting that she'd rather see Catherine hanged than acknowledge her as her mistress, this is an actual quotation attributed to Anne.
The red velvet jacket and brocade gown Rebekah Wainwright (Catherine Brook, Charles Brandon's ward) wears is the same costume seen on Gwyneth Paltrow (Viola De Lesseps) in Shakespeare in Love (1998).
This episode marks the first and last time we ever see the (now deposed) Cardinal Wolsey actually pray to God.