Catherine of Aragon
Catherine of Aragon (16 December 1485 – 7 January 1536), also known as Katherine or Katharine, was Queen consort of England as the first wife
Wives of Henry VIII
The wives of Henry VIII were the six queens consort married to Henry VIII of England between 1509 and 1547. The six women to hold the title 'queens consort' of King Henry VIII were, in order:* Catherine of Aragon ,* Anne Boleyn ,...

 of King Henry VIII of England and Princess of Wales
Princess of Wales
Princess of Wales is a British courtesy title held by the wife of The Prince of Wales since the first "English" Prince of Wales in 1283.Although there have been considerably more than ten male heirs to the throne, there have been only ten Princesses of Wales. The majority of Princes of Wales...

 as the wife to Arthur, Prince of Wales
Arthur, Prince of Wales
Arthur Tudor, Prince of Wales was the first son of King Henry VII of England and Elizabeth of York, and therefore, heir to the throne of England. As he predeceased his father, Arthur never became king...

. In 1507, she also held the position of Ambassador
An ambassador is the highest ranking diplomat who represents a nation and is usually accredited to a foreign sovereign or government, or to an international organization....

 for the Spanish Court in England
England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

 when her father found himself without one, becoming the first female ambassador in European history.