| 1 | A | B | C | D | E |
| --- | --- | --- | --- | --- | --- |
| 2 | SM UB-16 - Ships sunk or damaged |  |  |  |  |
| 3 | Date | Name | Nationality | Tonnage | Fate |
| 4 | 3 June 1915 | Boy Horace | United Kingdom | 69 | Sunk |
| 5 | 3 June 1915 | E&C | United Kingdom | 60 | Sunk |
| 6 | 3 June 1915 | Economy | United Kingdom | 56 | Sunk |
| 7 | 12 June 1915 | Leuctra | United Kingdom | 3,027 | Sunk |
| 8 | 23 June 1915 | Tunisiana | United Kingdom | 4,220 | Sunk |
| 9 | 27 July 1915 | Westward Ho! | United Kingdom | 47 | Sunk |
| 10 | 28 July 1915 | Mangara | United Kingdom | 1,821 | Sunk |
| 11 | 8 September 1915 | Emblem | United Kingdom | 50 | Sunk |
| 12 | 8 September 1915 | Victorious | United Kingdom | 43 | Sunk |
| 13 | 10 September 1915 | Nimrod | United Kingdom | 51 | Sunk |
| 14 | 18 January 1916 | Evelyn | United Kingdom | 55 | Sunk |
| 15 | 18 January 1916 | Foam Crest | United Kingdom | 46 | Sunk |
| 16 | 19 January 1916 | Sunshine | United Kingdom | 52 | Sunk |
| 17 | 6 March 1916 | Springflower | United Kingdom | 59 | Sunk |
| 18 | 6 March 1916 | Young Harry | United Kingdom | 43 | Sunk |
| 19 | 1 April 1916 | Perth | United Kingdom | 653 | Sunk |
| 20 | 3 April 1916 | Elziena Helena | Netherlands | 131 | Damaged |
| 21 | 10 April 1916 | Robert Adamson | United Kingdom | 2,978 | Sunk |
| 22 | 22 April 1916 | Tregantle | United Kingdom | 3,091 | Sunk |
| 23 | 2 August 1916 | John Wilson | Norway | 798 | Sunk |
| 24 | 24 August 1916 | Velox | Norway | 312 | Sunk |
| 25 | 20 April 1917 | Arie | Netherlands | 107 | Sunk |
| 26 | 26 April 1917 | Kongsli | Norway | 5,822 | Damaged |
| 27 | 9 August 1917 | HMS Recruit | Royal Navy | 1,075 | Sunk |
| 28 | 13 March 1918 | Lisette | United Kingdom | 895 | Sunk |
| 29 | 13 April 1918 | Ruth | United Kingdom | 44 | Sunk |
| 30 | - | Sunk: Damaged: Total: | 19,652 5,953 25,605 | - | - |

Question: Which British steamers did UB-16 sink in April 1916?
Answer: UB-16 sank two British steamers: the 2,978-ton Robert Adamson on the 10thand the 3,091-ton Tregantle on the 22nd.