Today in World War II History—28 May 1944
Tuesday, May 28, 2019 by Sarah Sundin

British Adm. Sir Bertram Ramsay, Allied Naval Commander for D-day, and US Navy Rear Admiral John Hall, commander of amphibious operations, aboard command ship USS Ancon, 25 May 1944 (US National Archives)
75 Years Ago—28 May 1944: Countdown to D-day: Gen. Dwight Eisenhower sets H-hours for each force.
At 1800, Adm. Sir Bertram Ramsay orders “execute Operation Neptune,” announcing D-day (June 5) and H-hour for each force.
Allied naval units for D-day go into lockdown with no one permitted to leave ships or bases.