The Carl von Ossietzky University of Oldenburg (German: Carl von Ossietzky Universität Oldenburg) is a university in Oldenburg, Germany. It is one of the most important educational facilities in northwestern Germany and specializes in interdisciplinary studies. The university was founded in 1973 building on a school for the training of teachers that had existed since 1945. In the summer semester of 1974, the university introduced an education curriculum with 2400 students. In 1991 it was named after the writer and Nobel laureate Carl von Ossietzky. It crossed the number of 10,000 students in 1991, a number that it has since maintained, and as of 2006, there were about 12,000 students. As part of the Bologna process, the university changed its courses to Bachelor-Master degrees in 2004. The university offers over 80 courses of study. 75 percent of students seek a Diplom, Magister , while 25 percent strive for a teaching certification. One main focus of the university is the schooling of teachers, which was established during the 1970s and remains a strong profile.