El Grito de Delores and Cinco de Mayo are Mexican holidays. Both commemorate battles fought by the Mexican people in the nineteenth century against European colonizers. El Grito de Delores, Mexico's Independence Day, commemorates the beginning of Mexico's war for independence against the Spanish in September, 1810. Cinco de Mayo celebrates the Mexican victory in the Battle of Puebla against the French in May of 1862.
In what ways did John Quincy Adams and Thomas Jefferson contribute to the formulation of the Monroe Doctrine?