It is said that when Henry VIII told Katherine about their marriage being annulled her cries of pain could be heard across the palace.
Anne's quote, " By daily proof you shall me find, To be to you both loving and kind," was taken from the real Anne Boleyn's prayer book where she and Henry VIII would write notes to each other.
The vocal score in the scene at Lambeth Church (around 30:00) is "O nata lux", composed by Thomas Tallis.
Whilst Katherine of Aragon falls to the floor in despair and clutches at her shift (nightdress), you can see a very modern white white bra through the gap in the fabric.