On this day in Tudor history, 25 April 1557, Tudor troublemaker Thomas Stafford, grandson of Margaret Pole, Countess of Salisbury, proclaimed himself "Protector of the Realm". It didn't go down well!

Find out why he did this, what happened and how it wasn't his first brush with trouble, in today's video

Also on this day in history:

• 1509 – Birth of Thomas Vaux, 2nd Baron Vaux, poet associated with Sir Thomas Wyatt and Henry Howard, Earl of Surrey.
• 1513 – Death of Sir Edward Howard, naval commander, by drowning, in an attack on the French fleet. Edward was the second son of Thomas Howard, 2nd Duke of Norfolk.
• 1526 – Death of Charles Somerset, 1st Earl of Worcester, illegitimate son of Henry Beaufort, 2nd Duke of Somerset, and his mistress Joan Hill. He was buried in St George's Chapel, Windsor.
• 1544 – Publication of Queen Catherine Parr's English translation of John Fisher's "Psalms or Prayers". It was published anonymously.
  1551 – Death of Alice More, Lady More, second wife of Sir Thomas More. Her exact date of death is not known, but it was around 25th April 1551. She was buried at Chelsea.
• 1557 – “A Masque of Almains, Pilgrims and Irishmen” was performed in front of Queen Mary I and Philip of Spain.
• 1599 – Birth of Oliver Cromwell, future Lord Protector of England, Scotland and Ireland.
• 1603 – Burial of Katherine Howard, Countess of Nottingham, eldest daughter of Henry Carey, 1st Baron Hunsdon, at All Saints, Chelsea. Elizabeth I was said to be very distressed at her friend's death.