Unification. According to the information released by official website of the National University of Singapore, the doctoral graduation ceremony of the National University of Singapore is unified. On July 6th every year, the graduation ceremony is held on the campus of the National University of Singapore. The National University of Singapore was founded in 1905. At that time, it was a medical college of the Straits Colony and the Federal Government of Malaysia, and it was the oldest autonomous university in China.