Linked below are just a few of the National Archive's web pages, blogs, and announcements related to D-Day exhibits and records at the National Archives. Many of these pages in turn link additional pages.
"Display Commemorates 75th D-Day Anniversary" from National Archives News.
Records Relating to D-Day
"75th Anniversary of D-Day" posted on Pieces of History: A blog of the National Archives
"An Unforgettable Day" posted on Pieces of History: A blog of the National Archives.