Istochnik: Wikipedia. Stranitsy: 79. Glavy: Petropavlovskaya krepost, Osovets, Landskrona, Vladivostokskaya krepost, Nienshants, Omskaya krepost, Brest.skaya krepost, Bomarsund, Aleksandrovskaya krepost, Daugavpilsskaya krepost, Girdkukh, Alamut, Oreshek, Ark, Nagasima, Gyei azan, Mury, Khokhanaberd, Izborskaya krepost, Akhtala, Gyulistan, Khosta, Tigranakert, Krepost Nimrod, Andaberd, Bayat.skaya krepost, Askeranskaya krepost, Sumskaya krepost, Vovnushki, Presnovskaya krepost, Korela, Glukhovskaya krepost, Kachagakaberd, Shushinskaya krepost, Zamok Pil, Tsoi -Peda, Aleksyeevskaya krepost, Ivangorodskaya krepost, I orkskie gorodskie steny, Krepost Ke nigshtai n, Putivl skaya krepost, Sikandar Bag, Kreposti Dagu, Ryl skaya krepost, Dzhraberd, Krepost Al tenburg, Krepost Marienberg, Krepost Shtol pen, Kievskaya krepost, Staroladozhskaya krepost, Krepost Khonshtai n, De ra, Tavush, Rozafa, Godlik, Khai -Nekhai, Yedikule, Tumasaberd, Troski, Novgorod-Severskaya krepost, Baba Vida, Gelyarsan-Ge rarsan, Bagaberd, Krasnoyarskaya krepost, Krepost Plassenburg, Chirag-gala, Nardaranskaya krepost, Tronnaya krepost, Amberd, Sumug Gala, Kasba Udai ya, Ulitskii shanets, Al brekht.sburg, Krepost Poznan, Golubatskaya krepost, Bala-Khissar, Tignis, Krepost Bikhiskhauzen, Achipse, Krepost Mersburg, Puog, Krepost svyatogo Dimitriya Rostovskogo, Krepost Berdavan. Vyderzhka: Kre post Osove ts (pol sk., nem. ) - russkaya opornaya krepost, vozvedennaya na reke Bobry u mestechka Osovitse (nyne pol skii gorod Osovets-Krepost ) v 50 km ot g. Belostok (, ). Krepost byla postroena s tsel yu oborony koridora mezhdu rekami Neman i Visla - Narev - Bug, s vazhnyei shimi strategicheskimi napravleniyami Peterburg - Berlin i Peterburg - Vena. Mesto stroitel stva oboronitel nykh sooruzhenii bylo vybrano tak, chtoby perekryt osnovnoe magistral noe napravlenie na vostok. Oboi ti krepost v etoi mestnosti bylo nevozmozhno - na sever i na yug raspolagala...