The 20th Triennial Congress of the Women’s International League for Peace and Freedom, 11-15 August, 1977 in Tokyo, Japan:

The twentieth triennial International Congress of WILPF call on the United Nations to declare an International Peace Year.

It commends to national sections of WILPF that they should use any suitable opportunity of joining with other organizations in observing peace days and suggests that Hiroshima Day, 6 August, is one such suitable date