McCain received several honorary degrees from colleges and universities in the United States and internationally. These include ones from Colgate University (LL.D 2000), The Citadel (DPA 2002), Wake Forest University (LL.D May 20, 2002), the University of Southern California (DHL May 2004), Northwestern University (LL.D June 17, 2005), Liberty University (2006), The New School (2006), and the Royal Military College of Canada (D.MSc June 27, 2013). He was also made an Honorary Patron of the University Philosophical Society at Trinity College Dublin in 2005.