April 1915
This is the full listing of all ships hit during April 1915. You can click on any of the links for further information on either ship, U-boat, commander or convoy.
| Date | U-boat | Commander | | Name of ship | Tons | Nat. |
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| 1 Apr 1915 | U 10 | Fritz Stuhr | | Gloxinia | 145 |  | br |
| 1 Apr 1915 | U 10 | Fritz Stuhr | | Jason | 176 |  | br |
| 1 Apr 1915 | U 10 | Fritz Stuhr | | Nellie | 109 |  | br |
| 1 Apr 1915 | U 37 | Erich Wilcke | | Seven Seas | 1,194 |  | br |
| 2 Apr 1915 | U 24 | Rudolf Schneider | | Lochwood | 2,042 |  | br |
| 2 Apr 1915 | U 33 | Konrad Gansser | | Paquerette | 399 |  | fr |
| 3 Apr 1915 | | | | Douro | 218 |  | pt |
| 4 Apr 1915 | U 24 | Rudolf Schneider | | City Of Bremen | 1,258 |  | br |
| 4 Apr 1915 | U 33 | Konrad Gansser | | Hermes | 1,019 |  | ru |
| 4 Apr 1915 | U 33 | Konrad Gansser | | Olivine | 634 |  | br |
| 5 Apr 1915 | U 10 | Fritz Stuhr | | Acantha | 322 |  | br |
| 5 Apr 1915 | U 33 | Konrad Gansser | | Northlands | 2,776 |  | br |
| 8 Apr 1915 | U 32 | Edgar von Spiegel von und zu Peckelsheim | | Chateaubriand | 2,247 |  | fr |
| 10 Apr 1915 | U 24 | Rudolf Schneider | | The President | 647 |  | br |
| 10 Apr 1915 | UB 4 | Karl Groß | | Harpalyce | 5,940 |  | br |
| 11 Apr 1915 | U 24 | Rudolf Schneider | | Frederic Franck (d.) | 973 |  | fr |
| 11 Apr 1915 | U 32 | Edgar von Spiegel von und zu Peckelsheim | | Wayfarer (d.) | 9,599 |  | br |
| 14 Apr 1915 | U 6 | Reinhold Lepsius | | Folke | 1,352 |  | sw |
| 14 Apr 1915 | U 6 | Reinhold Lepsius | | Glencarse (p.) | 188 |  | br |
| 14 Apr 1915 | U 6 | Reinhold Lepsius | | Vestland | 3,392 |  | da |
| 14 Apr 1915 | UB 10 | Otto Steinbrinck | | Katwijk | 2,040 |  | nl |
| 15 Apr 1915 | UB 5 | Wilhelm Smiths | | Ptarmigan | 784 |  | br |
| 17 Apr 1915 | UB 4 | Karl Groß | | Ellispontos | 2,989 |  | gr |
| 18 Apr 1915 | U 38 | Max Valentiner | | Brilliant (p.) | 1,441 |  | nw |
| 21 Apr 1915 | U 22 | Bruno Hoppe | | Ruth | 867 |  | sw |
| 22 Apr 1915 | U 22 | Bruno Hoppe | | St. Lawrence | 196 |  | br |
| 22 Apr 1915 | U 38 | Max Valentiner | | Eva | 312 |  | nw |
| 22 Apr 1915 | U 38 | Max Valentiner | | Oscar | 766 |  | nw |
| 23 Apr 1915 | U 26 | Egewolf Frhr. von Berckheim | | Fråck | 849 |  | ru |
| 24 Apr 1915 | U 38 | Max Valentiner | | Nidaros (p.) | 1,024 |  | da |
| 27 Apr 1915 | U 38 | Max Valentiner | | Torwald (p.) | 1,085 |  | sw |
| 27 Apr 1915 | k.u.k. U5 | Georg Ritter von Trapp | | Leon Gambetta | 12,416 |  | fr |
| 28 Apr 1915 | U 10 | Fritz Stuhr | | Lilydale | 129 |  | br |
| 28 Apr 1915 | U 30 | Erich von Rosenberg-Grusczyski | | Mobile | 1,905 |  | br |
| 29 Apr 1915 | U 30 | Erich von Rosenberg-Grusczyski | | Cherbury | 3,220 |  | br |
| 30 Apr 1915 | U 30 | Erich von Rosenberg-Grusczyski | | Fulgent | 2,008 |  | br |
| 30 Apr 1915 | U 30 | Erich von Rosenberg-Grusczyski | | Svorono | 3,102 |  | ru |
| 30 Apr 1915 | U 35 | Waldemar Kophamel | | Laila | 748 |  | nw |
| 30 Apr 1915 | U 38 | Max Valentiner | | Elida | 1,693 |  | sw |
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| 72,204 | | | 37 ships sunk (61,632 tons) and 2 ships damaged (10,572 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.
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This map shows where Allied ships were hit during April 1915.

In some cases the exact positions of losses are not known, those are not shown.