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On September 17th, 1918, Sofia, an Italian sailing vessel of 6 tons, was sunk by the Austrian submarine K.U.K. U-27 (Josef Holub) close to Crete island (Greece, 35° 39’N, 26° 08’E).
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References
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Sailing vessel Sofia – Ships hit by U-boats – German and Austrian U-boats of World War One – Kaiserliche Marine – uboat.net [WWW Document], n.d. URL https://uboat.net/wwi/ships_hit/7687.html (accessed 28.9.21).
