1. From 1900 to 2008 carried the woman which symbolized the mother country, the Philippines
2. The original seal of NU was given by Crispulo to Mariano in 1903
3. As NU evolved as a university, the logo was enhanced with a curved octagonal border
4. The logo had some revisions through the years, adopting a yellowish curved hendecagonal border with the royal blue dominant interior background
5. In 2009, upon the acquisition of the University by the Sy family, a new logo was unveiled
6. In 2017, the University Council changed the logo to a more corporate look, shifting to the shield-like shape of the nation's coat of arms with a royal blue silhouette