In September 1914, a single German U-boat ventured into the North Sea. Lieutenant Otto Weddigen’s U-9 slipped past patrols and found itself within range of a British cruiser squadron. What followed ...
The U-9 boat came to fame in 1914 when it sunk three British cruisers - HMS Hogue, HMS Cressy and HMS Abukir - in one afternoon. The boat survived the war and was dismantled at Morecambe, Lancashire.