National Congress of American Indians is formed

Surinamese students and residents create an association for mutual support, cultural life, and political voice; it becomes a lasting community institution. Source gives the year or month only; day 1...

The ACLU organizes to defend civil liberties through litigation, public education, and local affiliates, an enduring model for rights-based nonprofit advocacy.

Mary McLeod Bethune builds an “organization of organizations” to unite Black women’s groups and strengthen community-led action across education, health, economics, and public policy.

Blind Americans establish a member-led organization to advocate for equality, independence, and the right to participate in community life.

A local humanitarian committee mobilizes public action against famine, later developing into an international confederation with partner-led programs. Source gives the year or month only; day 1 is a...

Surinamese associations combine as Vereniging Ons Suriname, expanding community, cultural, and social activities for a diverse membership. Source gives the year or month only; day 1 is a...

The Shakespeare Club creates social connection for LGBTQ+ people and later develops regional groups, advocacy, volunteer engagement, and services.

Early gay-rights organizers form a mutual-support and advocacy group, demonstrating how community associations can create safety, belonging, and public voice.

A campaigning charity links poverty reduction with justice and solidarity, developing an approach that foregrounds affected communities and structural causes. Source gives the year or month only;...

Lesbian organizers create a social and educational association that offers community connection and challenges exclusion from public life.