HMS H4 was a British H-class submarine built by the Canadian Vickers Co., Montreal. She was laid down on 11 January 1915 and was commissioned on 5 June...

H4, H04, or H-4 may refer to: ATC code H04 Pancreatic hormones, a subgroup of the Anatomical Therapeutic Chemical Classification System Histamine H4 receptor...

During Harrison's second trial of his 'sea watch' (H4), Nevil Maskelyne was asked to accompany HMS Tartar and test the Lunar Distances system. Once again...

H2 – Launched June 1915 H3 – Launched June 1915. Mined and sunk July 1916 H4 – Launched June 1915 H5 – Launched June 1915. Rammed and sunk March 1918 H6...

was torpedoed and sunk in the Strait of Otranto by Royal Navy submarine HMS H4 with all hands lost. British passenger ship Innisfallen was torpedoed and...

Gibraltar escorted by the armed merchant cruiser HMS Calgarian. She was accompanied by H1, H2 and H4. H3 was mined in the Gulf of Cattaro, Adriatic on...

18°52′E / 41.600°N 18.867°E / 41.600; 18.867 by the British submarine HMS H4 enforcing the Otranto Barrage at the southern end of the Adriatic, with...

HMS H21 was a British H class submarine built by Vickers Limited, Barrow-in-Furness, as the first of the Batch 3 H class submarines. She was launched...

HMS H11 was a British H-class submarine built by Fore River Yard, Quincy, Massachusetts. She was laid down on an unknown date and was commissioned in...

Science. Retrieved February 18, 2022. "Submarine goes down, in collision with HMS Hazard". The Daily News. No. 20, 562. London. 3 February 1912. p. 1. Retrieved...