Events on this day

20 September

Choose new date to check

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 (47) Laid down (4) Launched (3) Commissioned (3)
1943: U-2321, U-2322, U-2323, U-2324, U-2325, U-2326, U-2327, U-2328, U-2329, U-2330, U-2331, U-2334, U-2335, U-2336, U-2337, U-2338, U-2339, U-2340, U-2341, U-2342, U-2343, U-2344, U-2345, U-2346, U-2347
1944: U-2348, U-2349, U-2350, U-2351, U-2352, U-2353, U-2354, U-2355, U-2356, U-2357, U-2358, U-2359, U-2360, U-2361, U-2362, U-2363, U-2364, U-2365, U-2366, U-2367, U-2368, U-2369
1943: U-1108
1944: U-2332, U-2527, U-3520
1939: U-64
1941: U-89, U-254
1941: U-251
1943: U-677
1944: U-3005
These are commissioned boats. For more see our Shipyard pages.

Allied Ships hit on this date

 U-boatCommanderName of shipTonsCountryConvoy
 U-138LüthBoka 5,560   paOB-216
 U-138LüthCity of Simla 10,138   brOB-216
 U-138LüthNew Sevilla 13,801   brOB-216
 U-111KleinschmidtCingalese Prince 8,474   br
 U-124MohrBaltallinn 1,303   brOG-74
 U-124MohrEmpire Moat 2,922   brOG-74
 U-552ToppBarbro 6,325   nwSC-44
 U-552ToppPink Star 4,150   paSC-44
 U-552ToppT.J. Williams 8,212   brSC-44
 U-74KentratEmpire Burton 6,966   brSC-44
 U-255RecheSilver Sword 4,937   amQP-14
 U-435StrelowHMS Leda (J 93) 835   brQP-14
 U-515HenkeReedpool 4,838   br
 U-596JahnEmpire Hartebeeste 5,676   brSC-100
 U-703BielfeldHMS Somali (G 33) 1,870   brQP-14
 U-161AchillesSt. Usk 5,472   br
 U-238HeppFrederick Douglass (d)7,176   amON-202
 U-238HeppTheodore Dwight Weld 7,176   amON-202
 U-270OttoHMS Lagan (K 259) total loss1,370   brON-202
 U-305BahrHMCS St. Croix (I 81) 1,190   caON-202
 U-645FerroFrederick Douglass 7,176   amON-202
* 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-386. The attack on 20 Sept, 1943 south-west of Iceland in position 57.40N, 29.48W, in which a homing torpedo from a British B-24 Liberator (Sqdn. 120/F) was believed to have sunk U-338, was actually against U-386, which escaped undamaged. (1992-10-01, FDS/NHB)

U-boats lost

1939: U-27
1943: U-338 +, U-346

88 men died when those 3 U-boats were lost on this date. 44 men survived.

Survivors from U-boats almost always landed in allied captivity.
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


A gunner from U-515 was killed by a misfire on the 2cm machine gun. [Matrosengefreiter Matthias Biazza]

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

Personnel Information

The following men were born on this day:
Johann-Heinrich Fehler (1910), Hans Ibbeken (1899), Harald Jeppener-Haltenhoff (1907), Kurt Petersen (1916), Richard Schulz (1917).

The following men died on this day:
Manfred Kinzel (1943), Arno Leisten (1943).

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 20 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-15

U-boats entering base:
To Kiel, Germany: U-20 (20 days)


From Lorient, France: U-46

U-boats entering base:
To Lorient, France: U-58 (19 days)


From Brest, France: U-204 (lost 30 days later)
From St. Nazaire, France: U-97, U-203, U-559

U-boats entering base:
To Kirkenes U-566 (22 days)
To Lorient, France: U-95 (31 days), U-105 (49 days), U-561 (32 days)


From Danzig, Germany: U-436
From La Pallice: U-753

U-boats entering base:
To Lorient, France: U-173 (98 days)
To Neidenfjord U-601 (43 days)
To Skjomenfjord U-405 (26 days)


From Hatvik: U-281
From Pola: U-81
From St. Nazaire, France: U-221 (lost 8 days later), U-455, U-575

U-boats entering base:
To Hammerfest, Norway: U-737 (44 days)


From Narvik, Norway: U-313

U-boats entering base:
To Bergen, Norway: U-228 (40 days), U-1228 (4 days)
To Singapur UIT-24 (16 days)

U-boats at sea on 20 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-3, U-4, U-7, U-13, U-14, U-15, U-16, U-18, U-21, U-23, U-24, U-26, U-28, U-29, U-30, U-31, U-32, U-33, U-34, U-35, U-36, U-53.
22 boats at sea.


U-29, U-31, U-32, U-43, U-47, U-48, U-59, U-60, U-65, U-99, U-100, U-138.
12 boats at sea.


U-43, U-66, U-67, U-68, U-69, U-74, U-84, 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-371, U-372, U-373, U-431, U-433, U-552, U-559, U-562, U-564, U-565, U-569, U-572, U-575.
33 boats at sea.


U-66, U-67, U-68, U-69, U-87, U-91, U-92, U-96, U-107, U-109, U-117, U-118, U-125, U-126, U-128, U-135, U-156, U-159, 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-255, U-258, U-259, U-260, U-332, U-333, U-356, U-373, U-375, U-377, U-378, U-380, U-382, U-403, U-404, U-406, U-407, U-408, U-410, U-411, U-431, U-432, U-435, U-437, U-440, U-441, U-442, U-453, U-455, U-459, U-460, U-461, U-462, 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-559, 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-600, U-606, U-607, U-608, U-610, U-615, U-617, U-618, U-619 (+), U-620, U-661 (+), U-703, U-753, U-755, UD-5.
115 boats at sea.


U-18, U-20, U-68, U-81, U-107, U-123, 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-229 (+), U-238, U-260, U-270, U-275, U-277, U-279 (+), U-302, U-305, U-307, U-336 (+), U-354, U-360, U-377, U-378 (+), U-386, U-387, U-389 (+), U-402 (+), U-410, U-419 (+), U-422 (+), U-448, U-455, U-460 (+), U-488, U-505, U-518, U-532, U-533 (+), U-536 (+), U-537, U-539, U-565, U-575, U-584 (+), U-593, U-601, U-603, 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-960.
75 boats at sea.


U-92, U-155, U-170, U-190, U-195, U-218, U-219, U-244, U-245, U-248, U-256, U-260, U-262, U-278, U-281, U-290, U-293, U-294, U-296, U-307, U-309, U-310, U-312, U-313, U-315, U-348, U-370, U-382, U-398, U-425, U-437, U-479, U-480, U-481, U-482, U-516, U-518, U-530, U-534, U-539, U-541, U-546, U-547, U-548, U-650, U-668, U-673, U-676, U-711, U-714, U-717, U-739, U-743, U-745, U-758, U-763, U-772, U-802, U-804, U-853, U-857, U-858, U-859 (+), U-861, 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-1004, U-1062 (+), U-1199, U-1221, U-1223, U-1227.
83 boats at sea.

General Events on 20 September


Espionage agent Jens Fridriksson came to Iceland on U-279.


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 757 entries that will appear in due course, so your suggestion may not appear immediately, but we are continuously updating the database.

Choose new date to check