Roger Litwiller -Canadian Naval Author/Historian
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Roger Litwiller -Canadian Naval Author/Historian
@rogerlitwiller.bsky.social
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Official Twitter page of Roger Litwiller -historian/lecturer of Canada’s Maritime & Naval heritage. Author of several books. Follow for daily history posts.
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#OTD 22/10/2025 #RememberRCN - HMCS HARRY DEWOLF is the first Arctic & Offshore Patrol Ship to transit the Welland Canal from Lake Ontario to Lake Erie during its Great Lakes Deployment. See more photos from this transit. zurl.co/V8LVZ
#OTD 22/10/1943 #RememberRCN -U537 lands a German automatic weather station, code named Kurt in Martin Bay, Labrador. It transmits weather reports for several days before failing. Found in 1977 by a civilian archaeology team and is now on display at the Canadian War Museum.
#OTD 22/10/1942 #RememberRCN -HMCS MORDEN attacks U-443 after U-boat sank Canadian Pacific passenger ship SS Winnipeg II & MV Donax mid-Atlantic. U-443 damaged & loses contact with convoy. MORDEN rescues 192 survivors from Winnipeg II. HMCS DRUMHELLER rescues 38 from Donax.
#OTD 22/10/1940 #RememberRCN -HMCS MARGAREE, lost in collision with SS Port Fairy in North Atlantic while escorting convoy OL-8. Newly transferred to RCN, ship's company included survivors from HMCS FRASER. 32 survivors and 142 killed. SEE zurl.co/d1fXD
#OTD 22/10/1914 #RememberRCN -HMCS Niobe departs on 1st operational cruise in Canadian waters. Patrolling the Gulf of St Lawrence for a reported German cruiser in the area. Returning to Halifax on 31 Oct without incident.
Left side view of RCN Hawker Sea Fury FBII on display at the Naval Museum of Alberta in The Military Museums at Calgary. Seventy-five Sea Fury Fighters flew with the RCN many from the aircraft carrier HMCS MAGNIFICENT. @RLitwiller #RCNavy Photo Collection. See MORE zurl.co/lBEmW
My office tomorrow!

Joining HMCS MARGARET BROOKE in Kingston, ON. tomorrow & sailing the incredible 1000 Islands to Brockville. Looking forward to meeting our @RoyalCanNavy sailors & fellow guests. Follow along for live posts starting after 0730.
#OTD 21/10/2016 #RememberRCN -HMCS PRESERVER (2nd), Protecteur class operational support ship paid-off. She was the last of her class of two ships in service with the RCN.
#OTD 21/10/1947 #RememberRCN -HMCS U190 (ex-German U190) sunk by RCN aircraft off Halifax, in vicinity of submarines last victim, HMCS ESQUIMALT.
#OTD 21/10/1944 #RememberRCN -HMCS UGANDA (ex-HMS UGANDA), commissioned into the RCN. Renamed HMCS QUEBEC IN 1952. Photo courtesy -For Posterity's Sake
#OTD 21/10/1943 #RememberRCN -HMCS CHEDABUCTO, lost in collision with cableship Lord Kelvin in the St Lawrence River near Bic Island, west of Rimouski, Quebec. One officer was killed when the cableship cut a 25 x 12 foot deep hole in the minesweeper. SEE zurl.co/WWDPB
#OTD 21/10/1942 #RememberRCN -HMCS GANANOQUE picks up U-43 on Asdic off north shore of Gaspé, attacks with Depth Charges as U-Boat was about to fire torpedoes at convoy SQ-43. Damaged, U-Boat crash dives with an active torpedo stuck in the tube & loses contact with the convoy.
#OTD 21/10/1910 #RememberRCN -HMCS Niobe arrives at Halifax, Nova Scotia for the first time, on the 105th anniversary of the Battle of Trafalgar.
Hard to believe it was a year today that I had the privilege to join HMCS HARRY DEWOLF on its historic 1st transit of the Welland Canal by an Arctic & Offshore Patrol Ship. Many thanks to Cdr Jon Nicholson for the invitation & HDW's sailors for their hospitality & welcoming me as their shipmate!
HMCS MAYFLOWER's sentry. Name/place/date unknown. @RLitwiller #RCNavy Photo Collection. See MORE zurl.co/lBEmW
RCN harbour tug GLENEVIS turns away from HMCS MONTREAL returning to Halifax harbour on 28 August 2015. @RLitwiller #RCNavy Photo Collection. See MORE zurl.co/lBEmW
#OTD 19/10/1943 #RememberRCN -Two ships from convoy WB-65, struck mines from minefield laid by U-220 off St. John's, NF on 9/10/43. SS Penolver (British) sank in 3 minutes, killing 23 sailors. SS Delisle (American) stopped to rescue survivors, struck a mine fifteen minutes later.
#OTD 19/10/1940 #RememberRCN -HMCS BRAS’D’OR foundered in Gulf of St. Lawrence while keeping the Romanian freighter Ingerner N. Vlassopol under surveillance. There were no survivors from ships company of 30 RCN sailors. SEE zurl.co/woyBZ
HMCS MAYFLOWER, Flower class corvette, looking very tiddley after just completing a refit in Baltimore, Maryland in March 1943. @RLitwiller #RCNavy Photo Collection. See MORE zurl.co/lBEmW
#OTD 18/10/1971 #RememberRCN -RAdm Robert Walter Timbrell became the 15th person to command the Canadian Navy as Commander of Maritime Command (ComdMARCOM) based in Halifax. Replacing, VAdm Henry Porter who became Comptroller General at CFHQ in Ottawa.
#OTD 18/10/1965 #RememberRCN - Fire & two explosions in HMCS NIPIGON’s 12 mess blew cover off a tank of JP5 helicopter fuel causing a flash fire. Three sailors were killed. Two RCN sailors were decorated for Gallantry (Order of the British Empire for Gallantry), LS Doyle White and AB Wendal Gray.
HMCS OTTAWA (3rd) with HMCS ATHABASKAN (3rd) outboard, at Roosevelt Roads, Puerto Rico during CARIBOPS in February 1981. Photos shows the significant difference in size between the St. Laurent class and the Iroquois class destroyers. @RLitwiller #RCNavy Photo Collection. See MORE zurl.co/lBEmW
Our RCN recently paid-off 8 ships. #DYK this isn't a record! Over the 115 year history of Canada's Navy, March 31 has seen 15 ships & shore establishments paid-off. Discover the amazing history of commissioning & disposing of Canada's warships!
zurl.co/o0Lnf
Paying-off RCN Ships | Roger Litwiller
Last week we witnessed the paying-off ceremonies of eight Royal Canadian Navy (RCN) ships, three Kingston class Maritime Coas
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#OTD 17/10/2001 #RememberRCN -HMCS IROQUOIS as flagship departed Halifax with HMCS CHARLOTTETOWN and HMCS PRESERVER to the Arabian Sea for #OpAPOLLO. The Canadian Task Group was supporting the US lead coalition against international terrorism in Afghanistan.