Hallam, Henry (1777-1859), was an English historian who is best remembered for three main works. The first was A View of the State of Europe During the Middle Ages (1818). The Constitutional History of England (1827) covers the period from 1485 to 1763. It emphasizes the conflict between law and the royal prerogative. The third work was An Introduction to the Literature of Europe in the 15th, 16th, and 17th Centuries. Hallam was born in Windsor, Berkshire, England, on July 9, 1777. He died on Jan. 21, 1859.