Events on this day
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 (25)||Laid down (4)||Launched (4)||Commissioned (6)|
|1939: U-201, U-202, U-203, U-204, U-251, U-252, U-253, U-254, U-255, U-331, U-332, U-333, U-334, U-371, U-372, U-373, U-374, U-401, U-402, U-403, U-404, U-431, U-432, U-433, U-434||1941: U-634 |
1943: U-1064, U-1065, U-1306
|1941: U-118, U-409 |
|1939: U-54 |
1943: U-997, U-1192
1944: U-1065, U-3504
|These are commissioned boats. For more see our Shipyard pages.|
Allied Ships hit on this date
|U-boat||Commander||Name of ship||Tons||Country||Convoy|
|U-211||Hause||Esso Williamsburg (d)||11,237||am|
|U-666||Engel||HMS Itchen (K 227)||1,370||br||ON-202|
|U-952||Curio||James Gordon Bennett (d)||7,176||am||ON-202|
|U-957||Schaar||Brilliant (No 29)||550||sj||VD-1|
|* 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-607. The boat escaped with only light damage boat after being rammed by a destroyer. (Blair, vol 2, page 34.)
U-515. The boat was fired on by the freighter Antonius and dived to escape.
U-177. 13.30 hrs, SE of Iceland: the boat was bombed by a twin-engined aircraft as it was diving. The bomb caused no damage.
U-758. Depth charged by convoy escorts and forced to withdraw for repairs. (Blair, vol 2, page 424)
U-422. The boat was depth charged and strafed by an allied aircraft identified as a Halifax. Three men were wounded, two of them seriously. After requesting medical assistance the boat rendezvoused with milch cow U-460 on the 29th of September. (Blair, vol 2, page 424)
U-979. On attacking a small convoy, one of the escorts, the British anti-submarine trawler HMS St. Kenan, rammed and depth charged the boat. Damage to the periscope forced U-979 to return to Bergen. (Blair, vol 2, page 632)
47 men died when this U-boat was lost. 20 men survived.
Survivors from U-boats almost always landed in allied captivity.
- For more information on U-boat losses check out our Fates section.
U-boat Men Lost or Wounded
On 23 Sept at 06.05 hrs a man was lost overboard. [Bootsmannmaat Erwin Henning]
In the Baltic Sea a man was washed overboard. [Matrosengefreiter Erwin Stiegeler]
- For more information on Men lost from U-boats check out this page.
The following men were born on this day:
Fritz Berends (1906), Ernst-Ulrich Brüller (1917), Werner Happe (1915), Walther Jahrmärker (1917), Günter Poser (1916), Helmut Vogler (1916), Wolf-Werner Wilzer (1916).
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 September
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 Wilhelmshaven, Germany: U-12 (lost 16 days later)
From St. Nazaire, France: U-46
From Brest, France: U-103
From Kiel, Germany: U-714, U-962
From La Pallice: U-231
From Lorient, France: U-154, U-211, U-306
From Narvik, Norway: U-956
From Skjomenfjord: U-302
From St. Nazaire, France: U-437, U-608
U-boats entering base:
To Bergen, Norway: U-537 (6 days)
From Kiel, Germany: U-1226
From Reval: U-1165
From Singapore, Singapore: U-181
From St. Nazaire, France: U-267
U-boats entering base:
To Bergen, Norway: U-218 (45 days)
To Danzig, Germany: U-479 (25 days)
To Lübeck U-716 (2 days)
To Penang, Malaysia: U-861 (157 days)
To Skillefjord U-313 (4 days)
To Tromsö, Norway: U-965 (3 days)
U-boats at sea on 23 September
Boats entering port on this day are not counted, but boats departing for patrol are. (+) indicates the boat was lost during this patrol.
U-66, U-67, U-68, U-69, U-74, U-94, U-97, U-98, U-103, U-107, U-108, U-111 (+), U-124, U-125, U-132, U-201, U-203, U-204 (+), U-205, U-371, U-372, U-373, U-431, U-433, U-552, U-559, U-562, U-564, U-565, U-572, U-575.
31 boats at sea.
U-43, U-66, U-67, U-68, U-69, U-87, U-91, U-92, U-96, U-106, U-107, U-109, U-116 (+), U-117, U-118, U-125, U-126, U-128, U-135, U-156, U-159, U-160, U-161, U-164, U-165 (+), U-171 (+), U-172, U-175, U-176, U-177, U-178, U-179 (+), U-181, U-183, U-201, U-202, U-211, U-212, U-214, U-216 (+), U-217, U-218, U-221, U-251, U-253 (+), U-254, U-255, U-257, U-258, U-259, U-260, U-332, U-333, U-353, U-356, U-373, U-375, U-377, U-378, U-380, U-382, U-404, U-406, U-407, U-408, U-410, U-411, U-431, U-432, U-435, U-437, U-441, U-442, U-453, U-455, U-459, U-460, U-461, U-504, U-506, U-507, U-511, U-512 (+), U-513, U-514, U-515, U-516, U-517, U-552, U-558, U-561, U-562, U-569, U-575, U-582 (+), U-584, U-590, U-592, U-594, U-595, U-596, U-597 (+), U-599 (+), U-606, U-607, U-608, U-610, U-615, U-617, U-618, U-619 (+), U-620, U-661 (+), U-662, U-703, U-706, U-753, U-755, UD-5.
119 boats at sea.
U-18, U-68, U-81, U-91, U-103, U-107, U-123, U-155, U-161 (+), U-168, U-170, U-177, U-181, U-183, U-188, U-196, U-198, U-214, U-218, U-220 (+), U-221 (+), U-223, U-238, U-260, U-264, U-270, U-275, U-277, U-279 (+), U-305, U-306, U-307, U-336 (+), U-360, U-377, U-378 (+), U-386, U-387, U-389 (+), U-402 (+), U-410, U-419 (+), U-422 (+), U-437, U-448, U-455, U-460 (+), U-488, U-505, U-518, U-532, U-533 (+), U-536 (+), U-539, U-565, U-584 (+), U-593, U-601, U-603, U-608, U-610 (+), U-621, U-631 (+), U-641, U-643 (+), U-645, U-666, U-667, U-703, U-711, U-713, U-731, U-758, U-848 (+), U-952, U-956, U-960.
77 boats at sea.
U-92, U-155, U-170, U-190, U-195, U-219, U-242, U-244, U-245, U-248, U-256, U-260, U-262, U-267, U-278, U-281, U-290, U-294, U-296, U-307, U-309, U-312, U-315, U-348, U-370, U-382, U-398, U-425, U-480, U-481, U-482, U-516, U-518, U-530, U-534, U-541, U-546, U-547, U-548, U-668, U-673, U-676, U-711, U-714, U-717, U-739, U-745, U-758, U-763, U-772, U-802, U-804, U-853, U-857, U-858, U-863 (+), U-871 (+), U-921 (+), U-953, U-956, U-957, U-958, U-963, U-979, U-985, U-989, U-992, U-997, U-1001, U-1004, U-1062 (+), U-1165, U-1199, U-1221, U-1223, U-1227.
76 boats at sea.
General Events on 23 September
U-68 inspected the Spanish tanker Gobeo.
U-107 made contact with convoy SL 87 which was attacked the following day.
U-561 was forced to return to her base in the Mediterranean due to technical problems.
U-962 was damaged in a collision with the German minesweeper M-343 in Danish waters.
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.