On 4 March 1966, lightship Ambrose (LV-87) was decommissioned after 59 years of service.
On 4 March 1968, Tench-class submarine USS Torsk SS-423 was decommissioned.
On 4 March 1944, Icebreaker USCGC Mackinaw - WAGB-83 was launched at Toledo shipbuilding co., Toledo, OHIcebreaker Mackinaw Maritime Museum, Mackinaw City, MI
On 4 March 1943, Gato-class submarine USS Cavalla SS-244 was laid down at Electric Boat Company, Groton, CT.Galveston Naval Museum, TX
On 4 March 2012, French Agosta-class submarine 'Ouessant' (S623) was officially opened to the public and handed over to the Melaka State Government.Now a MuseumShip in Melaka, Malaysia