Events on this day

20 October

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 (6) Laid down (2) Launched (2) Commissioned (4)
1939: U-507, U-508, U-509, U-510, U-511, U-5121941: U-734
1943: U-1109
1943: U-872
1944: U-3011
1941: U-508
1942: U-191
1943: U-295, U-1224
These are commissioned boats. For more see our Shipyard pages.

Allied Ships hit on this date


 U-boatCommanderName of shipTonsCountryConvoy
1939 
 U-34RollmannGustaf Adolf 926   sw
 U-34RollmannSea Venture 2,327   br
1940 
 U-100SchepkeCaprella 8,230   brHX-79
 U-100SchepkeLoch Lomond 5,452   brHX-79
 U-100SchepkeSitala 6,218   brHX-79
 U-124SchulzCubano 5,810   nwOB-229
 U-124SchulzSulaco 5,389   brOB-229
 U-46EndrassJanus 9,965   swHX-79
 U-47PrienAthelmonarch (d)8,995   brHX-79
 U-47PrienLa Estancia 5,185   brHX-79
 U-47PrienWhitford Point 5,026   brHX-79
 U-48BleichrodtShirak 6,023   brHX-79
1941 
 U-126BauerBritish Mariner total loss6,996   br
1942 
 U-77HartmannMahrous 18   sy
1943 
 U-532JunkerBritish Purpose (d)5,845   brBM-71
 82,405
* 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

1940

U-31. A British submarine fired torpedoes at U-31 off Lorient, but without success.


U-boats lost


1942: U-216 +
1943: U-378 +, U-420 +

142 men died when those 3 U-boats were lost on this date. 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, 20 October.

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


Personnel Information

The following men were born on this day:
Ludo Kregelin (1919), Hermann Lessing (1900), Hans-Jürgen Schley (1920), Klaus Weber (1922).

The following men died on this day:
Uwe Christiansen (2007), Erich Mäder (1943), Hans-Jürgen Reese (1943), Karl-Otto Schultz (1942), Herbert Uhlig (1997).

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 October

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.


1939

Sailed:
From Wilhelmshaven, Germany: U-47

U-boats entering base:
To Kiel, Germany: U-19 (2 days)


1940



U-boats entering base:
To Kiel, Germany: U-59 (4 days)


1941


Sailed:
From Kiel, Germany: U-577

U-boats entering base:
To Salamis, Greece: U-559 (31 days)


1942


Sailed:
From Kiel, Germany: U-664
From La Spezia, Italy: U-73
From Pola: U-205
From St. Nazaire, France: U-608

U-boats entering base:
To Skjomenfjord U-354 (4 days)


1943


Sailed:
From Sevastopol: U-24


1944


Sailed:
From Kiel, Germany: U-806

U-boats entering base:
To Danzig, Germany: U-745 (40 days)
To Farsund U-714 (55 days)


U-boats at sea on 20 October

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

1939

U-16 (+), U-25, U-34, U-37, U-46, U-48.
6 boats at sea.

1940

U-28, U-31 (+), U-37, U-38, U-46, U-47, U-48, U-65, U-93, U-99, U-100, U-101, U-123, U-124.
14 boats at sea.

1941

U-38, U-66, U-68, U-71, U-73, U-75, U-77, U-79, U-82, U-83, U-84, U-85, U-93, U-97, U-101, U-103, U-107, U-108, U-109, U-123, U-125, U-126, U-132, U-202, U-203, U-206, U-208, U-371, U-374, U-432, U-502, U-553, U-558, U-563, U-564, U-568, U-569, U-573, U-576, U-577, U-751.
41 boats at sea.

1942

U-43, U-67, U-68, U-69, U-71, U-73, U-77, U-81, U-84, U-87, U-89, U-106, U-107, U-117, U-125, U-126, U-128, U-129, U-132 (+), U-134, U-154, U-156, U-159, U-160, U-161, U-163, U-172, U-174, U-177, U-178, U-181, U-183, U-201, U-202, U-203, U-205, U-212, U-221, U-224, U-254, U-258, U-260, U-301, U-332, U-333, U-356, U-377, U-381, U-382, U-383, U-402, U-409, U-410, U-412 (+), U-431, U-436, U-437, U-438, U-440, U-441, U-442, U-443, U-454, U-455, U-459, U-462, U-463, U-504, U-505, U-506, U-508, U-509, U-510, U-513, U-514, U-516, U-518, U-519, U-520 (+), U-521, U-522, U-552, U-559 (+), U-563, U-571, U-572, U-575, U-586, U-590, U-599 (+), U-602, U-604, U-606, U-607, U-608, U-609, U-610, U-615, U-618, U-620, U-621, U-622, U-624, U-627 (+), U-658 (+), U-659, U-662, U-664, U-704, U-706, U-752, U-753, U-757, UD-3, UD-5.
115 boats at sea.

1943

U-9, U-23, U-24, U-68, U-73, U-91, U-103, U-123, U-129, U-154, U-155, U-168, U-170, U-183, U-188, U-190, U-193, U-196, U-211 (+), U-212, U-214, U-218, U-220 (+), U-226 (+), U-231, U-256, U-260, U-262, U-267, U-271, U-274 (+), U-275, U-280 (+), U-281, U-282 (+), U-305, U-306 (+), U-309, U-340 (+), U-355, U-360, U-371, U-373, U-405 (+), U-413, U-426, U-431 (+), U-437, U-441, U-448, U-450, U-455, U-466, U-488, U-505, U-516, U-518, U-530, U-532, U-536 (+), U-537, U-539, U-552, U-566 (+), U-575, U-584 (+), U-586, U-592, U-603, U-608, U-642, U-645, U-648 (+), U-707 (+), U-709, U-713, U-714, U-731, U-732 (+), U-737, U-758, U-762, U-842 (+), U-843, U-848 (+), U-849 (+), U-952, U-953, U-956, U-963, U-966 (+), U-967, U-969.
93 boats at sea.

1944

U-155, U-170, U-181, U-195, U-219, U-245, U-246, U-262, U-267, U-281, U-290, U-293, U-294, U-295, U-299, U-300, U-309, U-310, U-312, U-313, U-315, U-363, U-365, U-370, U-387, U-425, U-475, U-481, U-483, U-518, U-534, U-541, U-546, U-636, U-668, U-676, U-722, U-737, U-771 (+), U-773, U-802, U-956, U-958, U-968, U-978, U-985, U-991, U-992, U-995, U-997, U-1001, U-1003, U-1004, U-1163, U-1165, U-1199, U-1200 (+), U-1221, U-1223, U-1226 (+), U-1227, U-1228, U-1230, U-1231.
64 boats at sea.


General Events on 20 October

1939

After sinking the steamer Gustav Adolf, U-34 towed the ship's lifeboats for three hours until a Norwegian ship came in sight and could rescue the survivors.


1942

U-662 rendezvoused with the milch cow U-463 to get treatment for one of the crew suffering severe bleeding of the stomach. Stormy weather made a transfer between boats impossible, and two days passed before the doctor could see his patient.


1943

U-415 returned to base due to serious engine trouble.

---

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 754 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