Evening en Blanc Make your charitable donation today. When you attend our annual Evening en Blanc benefit you are making a difference in the lives of low income, underinsured and uninsured patients, while experiencing the excitement, entertainement and fun that makes this chic picnic so unique. In 2017, the event raised more than $71,000 to support primary, behavioral and dental health care of our neighbors in need at the Concord Hospital Family Health Centers in Concord and Hillsboro-Deering, NH.