Around the early 1950s, Central Java community in general and the people of Semarang in particular, requires the presence of a university as executor of higher education and teaching. The goal is to assist the government in addressing and implementing development in all fields, especially education. At that time in the province of Central Java and Yogyakarta only has Gadjah Mada University’s status as a state university.

While the number of high school graduates in the northern part of Central Java which will pursue higher education at universities is increasing, but is still very limited because universities, not all graduates can be accommodated. Recognizing the need for higher education is increasingly urgent, then formed the Foundation University of Semarang with Notary R.M. Soeprapto No. 59 dated December 4, 1956 as a first step the establishment of the university in Semarang with the name of the University of Semarang, which was officially opened on January 9, 1957, the first university president is Mr. Imam Bardjo.

In the third Anniversary of the University of Semarang on January 9, 1960, the President of the Republic of Indonesia, Ir. Soekarno rename Diponegoro University of Semarang to the University. This name change is a tribute to Semarang University for his achievements in the development of higher education in Central Java.

Presidential Decree was later confirmed by Government Regulation No. 7 of 1961 and Decree of the Ministry of Education and Culture No. 101 247 / Law dated December 3, 1960.

The decision is retroactive start date of October 15, 1957 with the provision that date is set as the anniversary Undip given on that date occurred “battle of the five-day” physical revolution in Semarang. UNDIP chose this date to continue the ideals of freedom fighters in the independence of the nation with the nation. UNDIP is a form of contribution of the successor to the nation on the trust left by freedom fighters.

1957 set as the founding of Undip, with due regard to the historical reality that the University of Semarang as a private university – which was founded in 1957 is the embryo of Diponegoro University. Determination Anniversary Undip dated October 15, 1957 has been stated in the report of the Rector of the Dies Natalis Undip 13th.