Kasetsart University is a public research university in Bangkok, Thailand. It is the largest university in Thailand. It was Thailand's first agricultural university and Thailand's third oldest university. It was established on 2 February 1943 to promote subjects related to agricultural science. Since then, Kasetsart University has expanded its subject areas to cover life sciences, science, engineering, social sciences, and humanities. Kasetsart University's main campus is in Bangkhen, northern Bangkok, with several other campuses throughout Thailand.