Isabella of Austria, queen of Denmark (died 1526)

Isabella of Austria, also known as Elizabeth, was born an Archduchess of Austria and Infanta of Castile from the House of Habsburg, and subsequently became Queen of Denmark, Norway and Sweden, under the Kalmar Union, as the wife of King Christian II. She was the daughter of King Philip I and Queen Joanna of Castile and the sister of Charles V, Holy Roman Emperor. She ruled Denmark as regent in 1520.

July 18 is the 199th day of the year in the Gregorian calendar; 166 days remain until the end of the year.