Question: Which is older, Beirut Arab University or Saint Louis University?
Context: Saint Louis University School of Law, also known as SLU LAW, is a private American law school located in St. Louis, Missouri.  It is one of the professional graduate schools of Saint Louis University.  Opened in 1843, it is the first law school west of the Mississippi River.  The school has been ABA approved since 1924 and is a member of the Association of American Law Schools.  Housed in Scott Hall, the law school has the highest enrollment of law students in Missouri .  It offers both full- and part-time programs.  The school is also home to Saint Louis University's Vincent C. Immel Law Library, which is one of the largest law libraries in the state of Missouri.  Supreme Court Justice Clarence Thomas studied for his bar exam at the old Omer Poos Law Library on the main SLU campus. Saint Louis University (SLU, ) is a private Roman Catholic four-year research university with campuses in St. Louis, Missouri, United States and Madrid, Spain.  Founded in 1818 by the Most Reverend Louis Guillaume Valentin Dubourg, It is the oldest university west of the Mississippi River and the second-oldest Jesuit university in the United States.  It is one of 28 member institutions of the Association of Jesuit Colleges and Universities.  The university is accredited by the North Central Association of Colleges and Secondary Schools.  SLU's athletic teams compete in NCAA's Division I and are a member of the Atlantic 10 Conference.  It has an enrollment of 13,505 students, including 8,687 undergraduate students and 4,818 graduate students that represents all 50 states and more than 70 foreign countries.  Its average class size is 23.8 and the student-faculty ratio is 12:1. The Saint Louis University Ice Pavilion is a proposed project by Saint Louis University to build an indoor ice and sports facility to be constructed in concert with another project already in progress, the Chaifetz Arena.  The university is planning to build an on-campus ice arena, to be named 'SLU Ice Pavilion.'  The facility will host youth, high school, college hockey as well as special events; it will have a seating capacity of 2,300, and offer four youth hockey locker rooms, Saint Louis University Locker rooms (D1 and D2), four Prep School Locker rooms, conditioning and weight room.  As well as common and quiet study lounges for students and private offices and two private suites to be used for special events and/or VIP use.  The Ice Pavilion will also offer activities such as public skating, figure skating clubs, speed skating clubs, intramural broomball, intramural hockey, curling clubs, and learn-to-skate opportunities for the students and faculty.  The plans for this new Ice Pavilion were in response to the need for a closer facility to the Saint Louis University campus.  The current facility in use, the Summit Center in Chesterfield, MO, is approximately 21 miles away from SLU's campus, with average crowd sizes of 250-400 in attendance. The Beirut Arab University shooting happened on January 25, 2007 in the Beirut Arab University in the Lebanese capital. Saint Louis University School of Medicine (SLUSOM) is a private, American Medical School within Saint Louis University.  Located in the city of St. Louis, Missouri, Saint Louis University School of Medicine was established in 1836 and has the distinction of awarding the first M.D. degree west of the Mississippi River. KSLU is a Student Media Organization at Saint Louis University (SLU) in Saint Louis, Missouri.  The organization, which is affiliated with the College of Arts & Sciences' Department of Communication, provides "Saint Louis University and the St. Louis community with a student-run, tangible media outlet; providing new music, talk radio, written publication, as well as other student needs".  Its studios and offices are located in the University's Busch Student Center building. Said A. Ashour (سعيد عبد الفتاح عاشور; 1922–2009) was a professor of History in Cairo University, he authored some 22 books Partial listing of Ashour books and published numerous papers and articles over his long career.  Dr. Ashour was Chair of the Middle Ages section for many decades at the History Departments of Cairo University, Beirut Arab University [Beirut Arab University] in Lebanon and Kuwait University.  Dr. Ashour taught at Alexandria University and was a visiting Professor in several universities throughout the Middle East. Saint Louis College (SLC) is a college in City of San Fernando, La Union, Philippines.  It was founded by the Congregatio Immaculati Cordis Mariae (CICM).  There are also sister schools of SLC, like Saint Louis University(SLU) in Baguio, University of Saint Louis Tuguegarao (USL) in Tuguegarao City, Saint Louis College of Cebu in Mandaue, Cebu, Saint Mary's University (Philippines) in Bayombong, Nueva Vizcaya, and Maryhill School of Theology in Quezon City. Beirut Arab University (BAU) (Arabic: جـامعة بيروت العربية‎ ‎ ) is a Lebanese private university located in Beirut, Lebanon.  It was founded by the Lebanese El-Bir and Ihsan Society in 1960.  The university is ranked among the top universities in the Arab Region by 2015/16 QS World University Rankings. Jamal Abu Hamdan (1944–2015) was a Jordanian writer.  He was born into a Druze family in the southern Syrian province of As-Suwayda.  He was educated in Amman, Cairo and Beirut, completing a law degree from Beirut Arab University in 1966.
Answer: Saint Louis University