Did you know? In the United States, there are three types of law degrees: J.D. (Juris Doctor), LL.M. (Master of Laws), and S.J.D. (Doctor of Juridical Science). Fun fact: The first law school in the United States was established at the University of Pennsylvania in 1790. Did you know? The term esquire is commonly used in the legal field to address a person who practices law, but it originally referred to a young nobleman attendant on a knight. Fun fact: The ancient Code of Hammurabi, dating back to around 1754 BC, is one of the earliest known legal codes in history. Did you know? The American Bar Association (ABA), founded in 1878, is the largest voluntary professional association for attorneys in the United States. Fun fact: The study of law is known as jurisprudence, which encompasses the philosophy, history, and theory of law. Did you know? The concept of innocent until proven guilty is a fundamental principle in modern legal systems, emphasizing the presumption of innocence until proven otherwise. Fun fact: The longest serving Supreme Court Justice in the United States was William O. Douglas, who served for over 36 years from 1939 to 1975.