Today in Tudor History...

14 August 1415 – Henry the Navigator leads Portuguese forces to victory over the Marinids at the Battle of Ceuta.

1433 – Death of John I of Portugal 

1464 – Death of Pope Pius II 

1473 – Birth of Margaret Pole, Countess of Salisbury 

She was an English peeress. She was the daughter of George, Duke of Clarence,  brother of King Edward IV and King Richard III. She was one of two women in sixteenth-century England to be a peeress in her own right with no titled husband. One of the few surviving members of the Plantagenet dynasty after the Wars of the Roses, she was executed in 1541 at the command of King Henry VIII, who was the son of her cousin Elizabeth of York. Pope Leo XIII beatified her as a martyr for the Roman Catholic Church on 29 December 1886

1479 – Birth of Catherine of York .

She was the ninth child and sixth daughter of King Edward IV by his wife Elizabeth Woodville.She was born in Eltham Palace. Edward IV hastened to seek a marriage contract for his youngest daughter. On 28 August 1479, a marriage contract was concluded. The contract promised Catherine to John, Prince of Asturias, eldest son of Ferdinand II of Aragon and Isabella I of Castile. The alliance was still being negotiated when her father died on 9 April 1483. This marriage was never concluded.

Her brother-in-law Henry VII, husband of her sister Elizabeth, later negotiated with James III of Scotland to obtain a possible husband for her. According to an agreement drawn up in November 1487, Catherine would marry James Stewart, Duke of Ross, second son of James III. The same agreement promised the hand of her mother Elizabeth Woodville to James III and the hand of one of her sisters to the future James IV of Scotland. James III was killed in the Battle of Sauchieburn (11 June 1488). His son and successor, James IV, never pursued this agreement.

1513 – Birth of William Parr, Marquess of Northampton and brother of Queen Catherine Parr

1598 – Nine Years' War: Battle of the Yellow Ford – Irish forces under Hugh O'Neill, Earl of Tyrone, defeat an English expeditionary force under Henry Bagenal.

source:wikipedia