how many ships were sunk by german u boats in ww1
U-boat Campaign (World War I) In the course of events, German U-boats sank almost 5,000 ships with nearly 13 million gross register ton, losing 178 boats and about 5,000 men in combat.[4]
U-boat On 5 September 1914, HMS Pathfinder was sunk by SM U-21, the first ship to have been sunk by a submarine using a self-propelled torpedo. On 22 September, U-9 sank the obsolete British warships HMS Aboukir, HMS Cressy and HMS Hogue (the "Live Bait Squadron") in a single hour.
Vietnam War North Vietnamese victory
Trench warfare Throughout World War I, the major combatants slowly developed different ways of breaking the stalemate of trench warfare; the Germans focused more on new tactics while the British and French focused on tanks.
European theatre of World War II Axis  Germany  Italy (until 1943)  Romania (1940-1944)  Hungary (until 1945)  Bulgaria (until 1944)
List of former European colonies Britain and United Kingdom