28 October 1923 SS 66 3 killed after collision with Steam ship Abangarez at entrance to Panama Canal Zone
7 October 1943 SS 155 56 killed 2 survivors taken prisoner
11 October 1943 SS 328 Wahoo 80 killed all hands lost
12 October 1943 SS 248 Dorado 77 killed all hands lost suspected air attack off Pot-au Prince
3 October 1944 SS 197 Seawolf 100 killed all hands lost
17 October 1944 SS 294 Escolar 82 killed all hands lost suspected mine off Tsushima Strait
24 October 1944 SS 227 Darter grounded Palawan Passage (Leyte Gulf) no loss of life
24 October 1944 SS 314 Shark 87 killed all hands lost
25 October 1944 SS 306 Tang 78 killed 9 survived as POWs
Pictured SS 66