Library of Congress
It all started in October 1966 when Mrs. Paul West complained to a Denver grocer that the price on a jar of olives had gone up four times in a month. The grocer told her to 'stick to your cooking and let us decide prices.'
Mrs. West promptly organized a boycott of five supermarket chains on behalf of her group, Housewives for Lower Food Prices. Within a week the boycott had swept across the nation and beyond, crossing the border to Canada.