Probably on June 9, see <a href="//commons.wikimedia.org/wiki/File:Normandy_Invasion,_June_1944.jpg" title="File:Normandy Invasion, June 1944.jpg">File:Normandy Invasion, June 1944.jpg</a>
Unknown author<span style="display: none;">Unknown author</span>
Postcard Photo Chevojon 3 PP 0001, Combier Imprimeur Macon