The first woman to appear
The first woman to appear on a U.S. postage stamp, she revived the medieval hermandades police forces in order to control rebellious Castilian nobles. The mother of Henry VIII's first wife, Catherine of Aragon, she oversaw the expulsion of Muslims and Jews from her country. For 10 points—name this Spanish queen who sponsored Columbus along with her husband Ferdinand.
The first woman to appear on a U.S. postage stamp, she revived the medieval hermandades police forces in order to control rebellious Castilian nobles.
{Isabella I} [prompt on {Isabella}; accept {Isabella of Castile} and Aragon; accept {Isabella the Catholic}]