St. Ives, Paris student of the civil law, advocate of the poor, and patron saint of lawyers died on May 19, 1303.

Learn more about St. Ives in the Catholic Encyclopedia.

On May 19, 1948, Mexico ratified the Treaty of Guadalupe-Hidalgo. The treaty ended the Mexican-American War, and ceded roughly half of Mexico's territory to the United States.

Learn more about the Mexican-American War from the U.S. Library of Congress.