- 2 Feb 1917 // HM Trawler Cotsmuir, employed as a minesweeper off north-east England, disappeared during the night of 2-3 February, presumed mined, while returning to the Humber after escorting a merchant vessel to the Tyne. All 13 of her crew were lost with her. #RoyalNavy #WW1 #NavalHistoryFeb 2, 2026 18:04