21 May 1881: The American Red Cross is established by Clara Barton in Washington, D.C. (Source)

The American Red Cross (ARC), also known as The American National Red Cross,[5] is a non-profit humanitarian organization that provides emergency assistance, disaster relief, and disaster preparedness education in the United States. It is the designated US affiliate of the International Federation of Red Cross and Red Crescent Societies and the United States movement to the International Red Cross and Red Crescent Movement.
The organization offers services and development programs. (Source)