Nothing about us without us

In its modern form, this often involves national, ethnic, disability-based, or other groups that are often marginalized from political, social, and economic opportunities.

It was the political motto that helped establish—and, loosely translated into Latin, provided the name for—Poland's 1505 constitutional legislation, Nihil novi, which first transferred governing authority from the monarch to the parliament.

The slogan also gained popularity during World War II when the Munich Agreement was signed without the presence of Czechoslovakia.

James Charlton relates that he first heard the term used in talks by South African [8] disability activists Michael Masutha and William Rowland, who had in turn heard the phrase used by an unnamed East European activist at an earlier international disability rights conference.

[13][14] In 2021, the World Health Organization published an eponymous guide recommending that children and adolescents be involved in the decision-making process for health-related policies that affect young people.