On June 6th 1944, thousands of Allied troops began landing on Normandy’s beaches at the start of a major offensive against the Germans. In the lead up to Friday’s anniversary - BBC Radio 4 Extra is commemorating the 70th anniversary with a special rebroadcast of the landmark day of programmes first heard on BBC Radio 4 to mark the 60th anniversary. Starting Thursday lunchtime, we’ve a mix of documentaries, epic dramas and lively discussions.