Question: Which university was established in 1959, Tribhuvan University or Bohol Island State University? 
Context: Tribhuvan University (TU, Nepali: ) is a public university in Kirtipur, Kathmandu, Nepal.  Established in 1959, TU is the oldest university in Nepal.  In terms of enrollment, it is the ninth largest university in the world.  The university offers 2,079 undergraduate and 2,000 postgraduate programs across a wide range of disciplines.  As of March 2017, the university has 60 constituent campuses and 1,084 affiliated colleges across the country.  Since it is government financed, it is less expensive than private universities. The Chanakya College of Management (CCM) is the college in the Bhaktapur district of Nepal running under Chanakya Educators Bhaktapur Pvt Ltd, established in 2014.  It is affiliated to HSEB for 10 plus 2 levels and Tribhuvan University for BBS.  The college plans to extend its faculty up to Master's Degree in Management. Rajbiraj Model Higher Secondary School (RMHS) or Rajbiraj Model Campus is an educational institution in Rajbiraj, Nepal.  The college is established in 2001.  The college is affiliated by Higher Secondary Education Board (HSEB), Nepal for 10+2 course and Tribhuvan University for Bachelor level courses.  It is one of the oldest college established in Rajbiraj Municipality.  The school has around 500 students.  It is situated in heart of Rajbiraj Municipality. Lord Buddha Education Foundation (LBEF) is an IT college located at Maitidevi, Kathmandu, Nepal.  It is affiliated under Sikkim Manipal University of India and Tribhuvan University of Nepal.  LBEF is an associate study center of MCRPSV, to offer various courses and programs in Computer Science.  College for Professional Studies Pvt. Ltd. (CPS), established in 2000, is an associate of LBEF.  CPS is a learning centre of Sikkim Manipal University, DDE, which offers Bachelor and Master Level courses in IT, Bio-Technology, Management and Fashion Design. Ramshwaroop Ramsagar Multiple Campus (RRM Campus, Nepali: ) was established in 1957 (2014 BS) and is one of the constituent campuses of the Tribhuvan University (Nepal).  It is one of the oldest educational institutions of Nepal and has helped establish Janakpur as a centre of education.  This campus has Bachelor and Master level courses in Humanities, Management, Science and Education. Nepal Law Campus (Nepali: नेपाल ल क्याम्पस), originally called Nepal Law College, is the oldest college under the Faculty of Law of Tribhuvan University - the oldest and largest university of Nepal.  "Nepal Law Campus" was established in 1954 under the leadership of Prof. Ram Raj Pant who was also its founding Principal.  As a constituent campus of Tribhuvan University and as the oldest institution imparting legal education in Nepal, the campus has made great contributions in advancing legal education and establishing the system of rule of law in the country.  The campus has proud history of graduates who have provided highest leadership for judiciary and other mechanism within the country and abroad. Patna University, the first university in Bihar, was established in 1 October 1917 during the British Raj, and is the seventh oldest university of the Indian subcontinent.  At that time, the jurisdiction of the university extended to Bihar, Odisha, and the Kingdom of Nepal.  The university oversaw examinations for educational institutions ranging from school finals to the postgraduate levels.  This continued almost for four decades, until the establishment of the Tribhuvan University, Kathmandu, and the Utkal University, Bhubaneshwar. Himalaya College of Engineering is a private engineering college in lalitpur, Nepal.  Established in year 2000, Himalaya College of Engineering (HCOE) is affiliated with the Institute of Engineering of Tribhuvan University, Nepal.  The college stands among top private institutions. The Central Department of Mathematics TU (CDM) (Nepali: गणित केन्द्रीय बिभाग) is one of the oldest department of science education under the Tribhuvan University, Nepal.  The CDM was established in September 20, 1959 (बि.स.  आस्विन ४,२०१६).  The CMD is as old as the Tribhuvan University.  The department offers master's degree (M.A./M.S.) in general mathematics and doctoral degrees (Ph.D.) in some areas of mathematics. The Bohol Island State University (BISU), formerly the Central Visayas State College of Agriculture, Forestry and Technology (CVSCAFT), is a public institution of higher learning in Bohol, Philippines.  The institution operates campuses spread throughout the province, with the main campus in Tagbilaran city, Bohol.
Answer: Tribhuvan University