convoy SC 7. October 22, 1940 , recently acquired to replace , is sunk in a collision with the freighter 480 km west of Ireland. 142 men are lost, including the captain and four other officers. November November 5, 1940 German "pocket battleship" sinks five ships from convoy HX 84 and the escorting armed merchant cruiser . sinks Scottish Maiden from convoy HX 83. November 6, 1940 Aircraft sink Nalon from convoy SL 52F. November 15, 1940 Aircraft sink Apapa from convoy SL 53. November 21, 1940 sinks Daydawn and Victoria from convoy OB 244. November 22, 1940 sinks King Idwal from convoy OB 244. November 23, 1940 sinks six ships from convoy SC 11. December December 1, 1940 U-boats sink nine ships from convoy HX 90. is the first Canadian naval vessel hit by torpedo in the Battle of the Atlantic, attacked 300 miles west of Ireland by a submarine while escorting Convoy HG 47. December 11, 1940 sinks three ships from convoy HX 92. December 27, 1940 Italian submarine Enrico Tazzoli sinks Ardanbhan from convoy OB 263. 1941 January January 16, 1941 Aircraft sink two ships from convoy OB 274. January 29, 1941 sinks three ships from convoy SC 19. February February 12, 1941 sinks seven ships from convoy SL 64S. February 19, 1941 Aircraft sink three ships from convoy OB 287. February 24, 1941 sinks three ships from convoy OB 289. February 26, 1941 Aircraft sink eight ships from convoy OB 290. February 27, 1941 sinks Kasongo and Borgland from convoy OB 290. March March 1, 1941 sinks Cadillac from convoy HX 109. Aircraft sink Rotula from convoy SC 22. March 7, 1941 U-boats sink three ships from convoy OB 293. March 8, 1941 U-boats sink five ships from convoy SL 67. March 13, 1941 Aircraft sink Empire Frost from convoy SC 23. March 16, 1941 sinks five ships from convoy HX 112. March 17, 1941 U-boats sink six ships from convoy SL 68. March 19, 1941 Aircraft sink Benvorlich from convoy OB 298. March 29, 1941 sinks three ships from convoy HX 115. April April 1, 1941 Aircraft sink two ships from convoy HX 114. April 3, 1941 U-boats sink six ships from convoy SC 26. April 6, 1941 Aircraft sink Dunstan from convoy OB 306. April 9, 1941 The United States occupies Greenland. April 16, 1941 Aircraft sink Swedru from convoy SL 69. April 28,