Events on this day

23 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 (3) Launched (1) Commissioned (1)
No U-boat orders on this date1941: U-629, U-630
1944: U-2341
1941: U-7551941: U-155
These are commissioned boats. For more see our Shipyard pages.

Allied Ships hit on this date

 U-boatCommanderName of shipTonsCountryConvoy
 U-37OehrnKeret 1,718   nwOA-200
 U-37OehrnSevern Leigh 5,242   brOA-200
 U-143GelhausInger 1,409   nw
 U-201SchneeAldergrove 1,974   brOG-71
 U-201SchneeStork 787   brOG-71
 U-552ToppSpind 2,129   nwOG-71
 U-564SuhrenHMS Zinnia (K 98) 900   brOG-71
 U-506WürdemannHamla 4,416   br
 U-380RötherPierre Soulé (d)7,191   am
 U-480FörsterFort Yale 7,134   brETC-72
 U-989Rodler von RoithbergLouis Kossuth (d)7,176   amEPM-42
* 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-752. Soviet submarine M-172 attacked U-752 off Vardø, Norway, possibly firing two torpedoes. U-752 escaped unharmed. (Polmar, N. and Noot, J.)


U-406. An aircraft attack killed two men and wounded three.

U-boats lost

1944: U-180 +

56 men died when this U-boat was lost. There were no survivors.
U-boats marked with + were lost with all hands.

- 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, 23 August.

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

Personnel Information

The following men were born on this day:
Walter Kimmelmann (1922).

The following men died on this day:
Rolf Riesen (1944).

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 23 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 Kiel, Germany: U-57
From Wilhelmshaven, Germany: U-27 (lost 29 days later)


From Kirkenes: U-752
From Trondheim, Norway: U-570, U-652

U-boats entering base:
To Lorient, France: U-123 (70 days), U-205 (31 days)


From Skjomenfjord: U-589
From St. Nazaire, France: U-404

U-boats entering base:
To Lorient, France: U-116 (58 days), U-154 (81 days)


From Bordeaux, France: U-460
From Brest, France: U-305, U-645

U-boats entering base:
To Lorient, France: U-516 (47 days)
To Trondheim, Norway: U-625 (3 days)


From Bordeaux, France: U-219, U-437, U-547
From Helsinki, Finland: U-242, U-1193
From Horten, Norway: U-398, U-1199
From Kalasika: U-745
From La Pallice: U-262, U-763
From Narvik, Norway: U-995
From St. Nazaire, France: U-758

U-boats entering base:
To Hammerfest, Norway: U-307 (20 days), U-425 (3 days)
To Stavanger, Norway: U-1163 (2 days)

U-boats at sea on 23 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-27 (+), U-28, U-29, U-30, U-33, U-34, U-37, U-38, U-39 (+), U-40, U-41, U-45, U-46, U-47, U-48, U-52.
16 boats at sea.


U-28, U-30, U-32, U-37, U-38, U-46, U-48, U-56, U-57 (+), U-60, U-100, U-101, U-124, UA.
14 boats at sea.


U-38, U-43, U-46, U-69, U-71, U-73, U-75, U-77, U-82, U-83, U-84, U-95, U-96, U-101, U-105, U-106, U-108, U-111 (+), U-124, U-125, U-126, U-129, U-141, U-143, U-145, U-201, U-202, U-206, U-451, U-452 (+), U-501 (+), U-552, U-553, U-557, U-561, U-563, U-564, U-567, U-568, U-569, U-570, U-571, U-652, U-751, U-752.
45 boats at sea.


U-66, U-68, U-69, U-73, U-86, U-91, U-92, U-94 (+), U-98, U-107, U-108, U-109, U-125, U-130, U-134, U-135, U-155, U-156, U-160, U-162 (+), U-163, U-164, U-165 (+), U-171 (+), U-172, U-173, U-174, U-175, U-176, U-179 (+), U-205, U-209, U-214, U-217, U-251, U-255, U-256, U-331, U-333, U-355, U-373, U-375, U-380, U-404, U-406, U-407, U-409, U-411, U-432, U-435, U-438, U-455, U-456, U-457, U-458, U-459, U-462, U-463, U-504, 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-589, U-590, U-594, U-596, U-598, U-600, U-601, U-604, U-605, U-608, U-609, U-653, U-658, U-659, U-660, U-703, U-705 (+), U-752, U-755, U-756 (+).
99 boats at sea.


U-18, U-19, 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-196, U-198, U-214, U-230, U-255, U-257, U-262, U-269, U-302, U-305, U-333, U-340, U-354, U-355, U-358, U-360, U-371, U-380, U-382, U-406, U-407, U-410, U-415, U-431, U-445, U-508, U-510, U-518, U-523 (+), U-532, U-533 (+), U-566, U-571, U-596, U-600, U-601, U-618, U-621, U-634 (+), U-636, U-639 (+), U-645, U-653, U-703, U-711, U-732, U-737, U-757, U-760, U-847 (+), U-956, U-960.
72 boats at sea.


U-20, U-23, U-92, U-170, U-190, U-218, U-219, U-228, U-242, U-244, U-245, U-248, U-262, U-275, U-278, U-296, U-354 (+), U-362 (+), U-363, U-365, U-370, U-394 (+), U-398, U-407, U-437, U-445 (+), U-479, U-480, U-482, U-484 (+), U-516, U-518, U-530, U-539, U-541, U-546, U-547, U-548, U-596, U-650, U-667 (+), U-668, U-679, U-680, U-703, U-739, U-745, U-758, U-763, U-764, U-772, U-802, U-804, U-855 (+), U-858, U-859 (+), U-861, U-862, U-863 (+), U-957, U-979, U-989, U-993, U-997, U-1062 (+), U-1193, U-1221.
67 boats at sea.

General Events on 23 August


Ltnt. Kurt Braun celebrated his 21st birthday as acting commander of U-763, four days out from La Pallice bound for Flensburg in Germany.


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 782 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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