Air Operations, EuropeGerman aircraft raid Scapa Flow. On the return flight they attac the lighthouses at Duncansby Head and Stroma Island. [ | ]Battle of the AtlanticU-38 sinks the Finnish steamer Signe (1540t), a straggler from convoy HN-23A, in the North Sea with the loss of the entire crew of 19. [ | ]Western FrontBorder garrison in the Netherlands are put on full alert. [ | ] |
[ Apr 1st - Apr 3rd] |