What landmark Supreme Court case established the right of the accused to know their rights?

Miranda v. Arizona, 384 US 436 (1966)

Miranda v. Arizona, (1966) was the landmark Supreme Court case in which the court declared that the Fifth Amendment to the Constitution of the United States of America, (which also applies to the states through application of the Fourteenth Amendment) required that before law enforcement officers attempt to interrogate the accused, they inform the accused of their rights. These rights are now referred to as Miranda rights.