Margaret Pole, Countess of Salisbury – Wikipedia
Three births of note on this day in history… Two would come to have significant parts to play in the War of the Roses.
1473 – Margaret Pole, Countess of Salisbury (d. 1541) https://en.wikipedia.org/wiki/Margaret_Pole,_Countess_of_Salisbury
1479 – Catherine of York (d. 1527) https://en.wikipedia.org/wiki/Catherine_of_York
1499 – John de Vere, 14th Earl of Oxford, English politician, Lord Great Chamberlain (d. 1526) https://en.wikipedia.org/wiki/John_de_Vere,_14th_Earl_of_Oxford