Open Government Partnership (2016-07-27, ([Internet](http://www.opengovpartnership.org/blog/blog-editor/2015/11/25/international-day-universal-access-information-new-opportunity-advance)))
On Tuesday, November 17, 2015 the 38th General Conference of UNESCO adopted a resolution declaring September 28th International Day for Universal Access to Information
EXP: often used in a more specific context than accessibility, e.g. universal acces to healthcare, water, energy, information, etc.
Federal Chancellery, Terminology Section, 2016