Ships hit by UB 20
See the profile page for UB 20
| Date | U-boat | Commander | Name of ship | Type of ship | Tons | Nat. | ||
|---|---|---|---|---|---|---|---|---|
| 2 Aug 1916 | UB 20 | Max Viebeg | Bror Oskar | Steamer | 368 |  | sw | |
| 2 Aug 1916 | UB 20 | Max Viebeg |  | Commerce | Steamer | 638 | | sw |
| 2 Aug 1916 | UB 20 | Max Viebeg | Themis (p.) | Steamer | 1,047 | | sw | |
| 2 Aug 1916 | UB 20 | Max Viebeg | Vera | Sailing vessel | 312 | | sw | |
| 2 Aug 1916 | UB 20 | Max Viebeg | Vermland | Steamer | 213 | | sw | |
| 10 Apr 1917 | UB 20 | Hermann Glimpf | Pluto | Steamer | 1,266 |  | br | |
| 7 May 1917 | UB 20 | Hermann Glimpf | Martha Maria | Trawler | 176 |  | nl | |
| 7 May 1917 | UB 20 | Hermann Glimpf | Prins Hendrik De Nederlande | Trawler | 182 | | nl | |
| 16 May 1917 | UB 20 | Hermann Glimpf | Friso | Sailing vessel | 171 | | nl | |
| 17 May 1917 | UB 20 | Hermann Glimpf | Kilmaho | Steamer | 2,155 | | br | |
| 18 May 1917 | UB 20 | Hermann Glimpf | Adventure | Drifter | 50 | | br | |
| 18 May 1917 | UB 20 | Hermann Glimpf | Primrose | Drifter | 62 | | br | |
| 19 May 1917 | UB 20 | Hermann Glimpf | Askild | Steamer | 2,540 |  | nw | |
| 20 May 1917 | UB 20 | Hermann Glimpf | Normand | Steamer | 2,097 | | nw | |
| 11 Jun 1917 | UB 20 | Hermann Glimpf | Knight Companion (d.) | Steamer | 7,241 | | br | |
| 18,518 | ||||||||
| 14 ships sunk (11,277 tons) and 1 ship damaged (7,241 tons).
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