• Thumbnail for Rudolf Singule
    Rudolf Singule (8 April 1883 – 2 May 1945) was a Moravian-Austrian officer in the Austro-Hungarian Navy, one of the most successful Austro-Hungarian submarine...
    11 KB (1,014 words) - 03:59, 11 November 2024
  • Thumbnail for SM U-4 (Austria-Hungary)
    success was the capture of three Montenegrin boats on 19 February 1915. Rudolf Singule, who was to become U-4's most successful commander, assumed command...
    25 KB (2,668 words) - 10:09, 21 October 2024
  • Brümmer-Patzig". Uboat.net. Retrieved 30 April 2016. Helgason, Guðmundur. "Rudolf von Singule". Uboat.net. Retrieved 30 April 2016. Helgason, Guðmundur. "Hinrich-Oscar...
    8 KB (442 words) - 09:04, 17 February 2024