Events on this day

17 August

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This is a run-down from several databases on our site. It's meant to give a clear picture of events on this date, all year round.

U-boat Shipyard report

Ordered (0) Laid down (2) Launched (2) Commissioned (1)
No U-boat orders on this date1942: U-720
1943: U-1063
1943: U-350, U-3691935: U-4
These are commissioned boats. For more see our Shipyard pages.

Allied Ships hit on this date

 U-boatCommanderName of shipTonsCountryConvoy
 U-108ScholtzLouisiana 8,587   am
 U-209BroddaKomiles 136   sj
 U-209BroddaKomsomolets total loss220   sj
 U-209BroddaP-4 500   sj
 U-209BroddaSh-500 500   sj
 U-507SchachtArarĂ¡ 1,075   bz
 U-507SchachtItagiba 2,169   bz
 U-566RemusTriton 6,607   nwSL-118
 U-658SenkelFort la Reine 7,133   brPG-6
 U-658SenkelLaguna (d)6,466   brPG-6
 U-658SenkelSamir 3,702   agPG-6
 U-83KrausPrincess Marguerite 5,875   ca
 U-197BartelsEmpire Stanley 6,921   br
* Unless otherwise noted the ships listed here were sunk. (d) = damaged

See all Allied ships hit by U-boats during WWII.

Attacks on this day


U-100. 20.45 hrs, 200 miles NW of Ireland: a destroyer dropped 7-8 depth charges shortly after U-100 located a convoy. The hydrophones were disabled and the boat lost contact with the convoy. (Ritschel)

U-boats lost

No U-boats were lost on this date, 17 August.

- For more information on U-boat losses check out our Fates section.

U-boat Men Lost or Wounded

There were no men lost from U-boats on this date, 17 August.

- For more information on Men lost from U-boats check out this page.

Personnel Information

The following men were born on this day:
Hans-Joachim Ernst (1918).

The following men died on this day:
Hans-Diedrich Freiherr von Tiesenhausen (2000).

See the entire U-boat commander listing showing all U-boat commanders.
We might include more officers (Allied and Axis) at a later date.

U-boat departures and arrivals on 17 August

This section shows the U-boat departures and arrivals from bases on this day of the year. Current country names shown with harbour names. Boats entering port display days at sea during that patrol.


From Lorient, France: U-37


From Kiel, Germany: U-143

U-boats entering base:
To Lorient, France: U-109 (51 days)


From Skjomenfjord: U-657

U-boats entering base:
To Brest, France: U-595 (26 days)
To St. Nazaire, France: U-454 (45 days)


From Hammerfest, Norway: U-636, U-703
From Kiel, Germany: U-963
From Salamis, Greece: U-407

U-boats entering base:
To Hammerfest, Norway: U-277 (50 days)
To Narvik, Norway: U-956 (4 days)


From Brest, France: U-92, U-993
From Egersund: U-1163
From Lorient, France: U-190
From Toulon, France: U-230 (lost 5 days later)
From Trondheim, Norway: U-995

U-boats entering base:
To Bergen, Norway: U-1221 (4 days), U-1223 (4 days)
To Gotenhafen U-290 (3 days), U-1000 (3 days), U-1165 (3 days)
To Helsinki, Finland: U-348 (8 days)
To Larvik U-299 (3 days)
To Lorient, France: U-445 (6 days), U-650 (6 days)
To Stavanger, Norway: U-427 (4 days)
To Trondheim, Norway: U-300 (31 days)


U-boats entering base:
To Mar del Plata, Argentina U-977 (108 days)

U-boats at sea on 17 August

Boats entering port on this day are not counted, but boats departing for patrol are. (+) indicates the boat was lost during this patrol.


U-28, U-30, U-32, U-37, U-38, U-46, U-48, U-51 (+), U-57 (+), U-59, U-60, U-65, U-100, U-101, UA.
15 boats at sea.


U-38, U-43, U-46, U-71, U-73, U-75, U-77, U-82, U-83, U-84, U-93, U-96, U-101, U-105, U-106, U-111 (+), U-123, U-124, U-125, U-126, U-129, U-139, U-143, U-145, U-201, U-202, U-204, U-205, U-206, U-331, U-371, U-501 (+), U-553, U-559, U-563, U-564, U-566, U-567, U-568, U-569, U-751.
41 boats at sea.


U-66, U-69, U-73, U-77, U-83, U-86, U-89, U-91, U-92, U-94 (+), U-98, U-107, U-108, U-109, U-116, U-125, U-129, U-130, U-134, U-135, U-154, U-155, U-160, U-162 (+), U-163, U-164, U-165 (+), U-171 (+), U-173, U-174, U-175, U-176, U-179 (+), U-205, U-209, U-214, U-217, U-251, U-254, U-255, U-256, U-331, U-333, U-355, U-373, U-403, U-406, U-407, U-432, U-435, U-438, U-456, U-457, U-458, U-462, U-463, U-464 (+), U-505, U-506, U-507, U-508, U-509, U-510, U-511, U-512 (+), U-513, U-514, U-515, U-516, U-517, U-553, U-558, U-564, U-565, U-566, U-569, U-572, U-590, U-593, U-594, U-596, U-598, U-600, U-601, U-604, U-605, U-609, U-653, U-654 (+), U-658, U-659, U-660, U-703, U-705 (+), U-752, U-755, U-756 (+).
97 boats at sea.


U-23, U-24, U-66, U-73, U-86, U-107, U-123, U-129, U-134 (+), U-161 (+), U-168, U-172, U-177, U-178, U-181, U-183, U-185 (+), U-188, U-190, U-196, U-197 (+), U-198, U-230, U-255, U-257, U-262, U-269, U-302, U-307, U-333, U-340, U-354, U-355, U-358, U-360, U-380, U-382, U-387, U-403 (+), U-406, U-407, U-410, U-415, U-431, U-445, U-458 (+), U-508, U-510, U-516, U-523 (+), U-532, U-533 (+), U-566, U-571, U-596, U-600, U-601, U-616, U-618, U-625, U-629, U-634 (+), U-636, U-639 (+), U-653, U-703, U-711, U-713, U-732, U-737, U-757, U-760, U-847 (+).
73 boats at sea.


U-23, U-92, U-107 (+), U-170, U-190, U-218, U-228, U-230 (+), U-244, U-245, U-275, U-278, U-296, U-307, U-344 (+), U-362 (+), U-363, U-365, U-394 (+), U-413 (+), U-475, U-479, U-480, U-481, U-482, U-484 (+), U-516, U-518, U-530, U-539, U-541, U-546, U-548, U-596, U-621 (+), U-667 (+), U-668, U-679, U-680, U-711, U-717, U-739, U-764, U-766, U-772, U-802, U-804, U-855 (+), U-858, U-859 (+), U-861, U-862, U-863 (+), U-953, U-957, U-963, U-979, U-989, U-993, U-997, U-1062 (+), U-1229 (+).
62 boats at sea.

General Events on 17 August


Germany declares blockade of UK. This in essence was the main aim of the U-boat war; to starve Britain of necessities and force her to an armistice.


U-977 surrendered in Argentina on 17 August 1945 after an epic journey from Norway which included 66 days continuously submerged.


Add more events! - If you know of an interesting event that happened on this day that's missing, or an upcoming event that you'd like to share, please contact us. We already have 778 entries that will appear in due course, so your suggestion may not appear immediately, but we are continuously updating the database.

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