Short answers, pulled from the story.
Catherine of Aragon was born in the early hours of the 16th of December 1485 at the Archbishop's Palace of Alcalá de Henares, a city near Madrid. She was the youngest surviving child of King Ferdinand II of Aragon and Queen Isabella I of Castile.
The first husband of Catherine of Aragon was Arthur, Prince of Wales, the eldest son of King Henry VII of England. Arthur died on the 2nd of April 1502 from the sweating sickness, leaving Catherine a widow at the age of sixteen.
Catherine of Aragon served as Regent of England and Captain General while Henry VIII was away on a military campaign in France. She rode north in full armor to rally English forces and managed the war effort that led to the English victory at the Battle of Flodden on the 13th of September 1513.
Henry VIII sought an annulment of his marriage to Catherine of Aragon because she was no longer able to bear children and he believed their union was cursed. He cited a biblical passage from Leviticus 20:21 which stated that a man who marries his brother's wife would be childless.
Catherine of Aragon died at Kimbolton Castle on the 7th of January 1536. She had confined herself to one room and fasted continuously in the months leading up to her death.
Catherine of Aragon is buried in Peterborough Cathedral with the ceremony due to her position as a Dowager Princess of Wales rather than a queen. Her tomb is decorated with flowers and pomegranates, which serve as her heraldic symbol.