| Noteable events involving Boreas include: 6 Mar, 1938
HMS Boreas suffered 5 casualties
among crewmembers (1 dead 4 wounded)while, together with HMS Kempenfelt were rescuing survivors
of sinking of Spain´s Nationalist Navy Cruiser Baleares which was torpedoed by Spain´s Republican Navy destroyer Lepanto.
Casualties on board HMS Boreas were caused by Republican airforce attack 25 Jul, 1940
HMS Boreas (Lt.Cdr. M.W. Tomkinson, RN) and HMS Brilliant (Lt.Cdr. F.C. Brodrick, RN) were damaged by a German air attack in the English Channel. 22 of the crew of Boreas were killed in the attack. Brilliant sustained no casualties. Boreas completed repairs ca. mid-January 1941 and Brilliant completed repairs ca. mid-September 1940. 22 May, 1941
HMS Boreas (Lt.Cdr. D.H. Maitland-Makgill Crichton, DSC, RN) picks up survivors from the British merchant Rodney Star that was torpedoed and finally
sunk with gunfire on 16 May 1941 about 420 nautical miles west-south-west of Freetown in position 05º03'N, 19º02'W by the German submarine U-105 23 Aug, 1941
HMS Boreas (Lt.Cdr. D.H. Maitland-Makgill Crichton, DSC, RN) picks up 25 survivors from the Norwegian merchant Spind that was damaged by gunfire from the German submarine U-552 The destroyer sank the damaged Spind with gunfire east of Lisbon, Portugal in position 40º43'N, 11º39'W 18 Aug, 1942
HMS Boreas (Lt.Cdr. E.L. Jones, DSC, RN) picks up 18 survivors from the Norwegian tanker Mirlo that was torpedoed and sunk on 11 August 1942 about 870 nautical miles west-southwest of Freetown in position 06º04'N, 26º50'W by the German submarine U-130. 1 Jan, 1943
HMS Boreas (Lt.Cdr. E.L. Jones, DSC, RN) picks up 3 survivors from the American mercant Arthur Middleton that was torpedoed and sunk by the German submarine U-73 off Oran, Algeria in position 35º45'N, 00º45'W. 29 Jul, 1943
Reported to have steamed over 250,000 miles since the war began. In 439 days, she travelled 183,244 miles. | 
