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The British Battleship HMS Triumph. She was hit by U 21 on 25 May 1915.

This is the full listing of all ships hit during May 1915. You can click on any of the links for further information on either ship, U-boat, commander or convoy.

Ships hit by U-boats during May 1915

Date	U-boat	Commander		Name of ship	Type of ship	Tons	Nat.
1 May 1915	U 30	Erich von Rosenberg-Gruszczynski		Edale	Steamer	3,110		br
1 May 1915	U 30	Erich von Rosenberg-Gruszczynski		Europe	steamer	1,887		fr
1 May 1915	U 30	Erich von Rosenberg-Gruszczynski		Gulflight (d.)	Tanker	5,189		am
1 May 1915	U 39	Walter Forstmann		Balduin	Steamer	1,059		nw
1 May 1915	U 39	Walter Forstmann		Elsa	Sailing vessel	120		sw
1 May 1915	UB 6	Erich Haecker		Recruit	Destroyer	335		br
2 May 1915	U 39	Walter Forstmann		St. Louis No. 1	Trawler	211		br
2 May 1915	U 39	Walter Forstmann		Sunray	Trawler	165		br
2 May 1915	U 41	Klaus Hansen		America	Steamer	3,706		nw
2 May 1915	U 41	Klaus Hansen		Cruiser	Trawler	146		br
2 May 1915	U 41	Klaus Hansen		Martaban	Trawler	148		br
2 May 1915	U 41	Klaus Hansen		Mercury	Trawler	222		br
2 May 1915	U 41	Klaus Hansen		St. George	Trawler	215		br
3 May 1915	U 30	Erich von Rosenberg-Gruszczynski		Minterne	Steamer	3,018		br
3 May 1915	U 39	Walter Forstmann		Scottish Queen	Trawler	125		br
3 May 1915	U 41	Klaus Hansen		Oscar	Sailing vessel	107		nw
3 May 1915	U 41	Klaus Hansen		Roxane (p.)	Steamer	355		sw
3 May 1915	U 9	Johannes Spieß		Bob White	Trawler	191		br
3 May 1915	U 9	Johannes Spieß		Coquet	Trawler	176		br
3 May 1915	U 9	Johannes Spieß		Hector	Trawler	179		br
3 May 1915	U 9	Johannes Spieß		Hero	Trawler	173		br
3 May 1915	U 9	Johannes Spieß		Iolanthe	Trawler	179		br
3 May 1915	U 9	Johannes Spieß		Northward Ho	Trawler	180		br
3 May 1915	U 9	Johannes Spieß		Progress	Trawler	273		br
4 May 1915	U 39	Walter Forstmann		Elsa	Sailing vessel	329		sw
4 May 1915	U 9	Johannes Spieß		Rugby	Trawler	205		br
5 May 1915	U 20	Walther Schwieger		Earl Of Lathom	Sailing vessel	132		br
5 May 1915	U 39	Walter Forstmann		Sceptre	Fishing vessel	166		br
5 May 1915	U 9	Johannes Spieß		Straton	Trawler	198		br
6 May 1915	U 20	Walther Schwieger		Candidate	Steamer	5,858		br
6 May 1915	U 20	Walther Schwieger		Centurion	Steamer	5,495		br
6 May 1915	U 39	Walter Forstmann		Truro	Steamer	836		br
6 May 1915	U 9	Johannes Spieß		Merrie Islington	Trawler	147		br
7 May 1915	U 20	Walther Schwieger		Lusitania	Passenger steamer	30,396		br
7 May 1915	U 39	Walter Forstmann		Benington	Trawler	131		br
8 May 1915	U 36	Ernst Graeff		Lilian Drost	Steamer	1,966		da
8 May 1915	U 9	Johannes Spieß		Don	Steamer	939		br
8 May 1915	U 9	Johannes Spieß		Queen Wilhelmina	Steamer	3,590		br
10 May 1915	U 36	Ernst Graeff		Björn (p.)	Steamer	1,241		sw
10 May 1915	U 36	Ernst Graeff		Niobe (p.)	Steamer	654		nl
10 May 1915	U 39	Walter Forstmann		Olga (p.)	Steamer	798		da
15 May 1915	U 23	Hans Schultheß		Martha	Steamer	1,182		da
18 May 1915	U 27	Bernd Wegener		Drumcree	Steamer	4,052		br
19 May 1915	U 23	Hans Schultheß		Chrysolite	Trawler	222		br
19 May 1915	U 23	Hans Schultheß		Crimond	Trawler	173		br
19 May 1915	U 23	Hans Schultheß		Lucerne	Trawler	154		br
19 May 1915	U 27	Bernd Wegener		Dumfries	Steamer	4,121		br
21 May 1915	U 27	Bernd Wegener		Glenholm	Sailing vessel	1,968		br
22 May 1915	U 23	Hans Schultheß		Minerva	Steamer	3,735		nw
25 May 1915	U 21	Otto Hersing		Triumph	Battleship	11,985		br
25 May 1915	U 41	Klaus Hansen		Nebraskan (d.)	Steamer	4,409		am
26 May 1915	U 16	Leo Hillebrand		Betty	Steamer	2,109		da
26 May 1915	U 16	Leo Hillebrand		M. Roosval	Sailing vessel	309		sw
26 May 1915	U 41	Klaus Hansen		Morwenna	Steamer	1,414		br
27 May 1915	U 21	Otto Hersing		Majestic	Battleship	14,900		br
27 May 1915	U 41	Klaus Hansen		Cadeby	Steamer	1,130		br
28 May 1915	U 16	Leo Hillebrand		Mars	Sailing vessel	251		ru
28 May 1915	U 41	Klaus Hansen		Ethiope	Steamer	3,794		br
28 May 1915	U 41	Klaus Hansen		Spennymoor	Steamer	2,733		br
28 May 1915	U 41	Klaus Hansen		Tullochmoor	Steamer	3,520		br
29 May 1915	U 41	Klaus Hansen		Cysne	Steamer	623		pt
29 May 1915	U 41	Klaus Hansen		Dixiana	Steamer	3,329		br
29 May 1915	U 41	Klaus Hansen		Glenlee	Steamer	4,140		br
29 May 1915	k.u.k. U12	Egon Lerch		Virginia	Steamer	1,065		gr
30 May 1915	U 16	Leo Hillebrand		Søborg	Steamer	2,108		da
30 May 1915	UB 8	Ernst von Voigt		Merion	Passenger steamer	19,380		br
						167,356
64 ships sunk (157,758 tons) and 2 ships damaged (9,598 tons). Legend (d.) means the ship was damaged. (p.) means the ship was taken as prize (included in ships & tonnage lost). We have a picture of this vessel.

Return to Ship losses by month

Ships Attacked by U-boats during WWI

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