In 1913, the Greek army captured a mountain fortress deemed impregnable by Ottoman defenders
The 1913 Siege of Bizani saw the Greek army overcome a mountain fortress protected by German-designed defenses, marking a decisive shift in the First Balkan War and securing the city of Ioannina.
The Bizani Fortress was considered an engineering marvel of the early 20th century, fortified with heavy artillery and concrete bunkers designed by German military experts. Ottoman defenders believed the mountain stronghold was impossible to penetrate, as it commanded every approach to the city of Ioannina.
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