Very early #OnThisDay, 29 Feb 1944, Madeleine Damerment parachuted into occupied France to be an agent for the British Special Operations Executive.
She was French, and had previously run escape lines for downed airmen. She escaped France in 1942, and then chose to return.
She was immediately arrested when she landed as the network had been betrayed. She was executed at Dachau in Sept 1944.