Chick-fil-A's history began in 1946 with S. Truett Cathy's Dwarf Grill diner in Atlanta, which he later renamed The Dwarf House. In 1961, after inventing the chicken sandwich with a pressure fryer, Cathy registered the name Chick-fil-A, Inc.. The first Chick-fil-A restaurant opened in the Greenbriar Mall in 1967, establishing the company's signature chicken sandwich and a business model focused on quality, service, and closing on SundaysÂ