<P> 16 Days of Activism Against Gender - Based Violence is an international campaign to challenge violence against women and girls . The campaign runs every year from 25 November, the International Day for the Elimination of Violence against Women, to 10 December, Human Rights Day . It was initiated in 1991 by the first Women's Global Leadership Institute, held by the Center for Women's Global Leadership (CWGL) at Rutgers University . </P> <P> Currently, more than 3,700 organizations from approximately 164 countries participate in the campaign annually . </P>

When does the 16 days of activism campaign start