A waypoint named Verkhotomsky ostrog was established nearby in 1657 on a road from Tomsk to Kuznetsk fortress.

The tower of Ostrog ( fortress ) | ostrog, a 17th-century Russian fort, in Yakutsk.

One of the centerpieces of the collection is a partial recreation of the 17th-century ostrog ( fortress ) of Ilimsk, which consists of the original Spasskaya Tower and the Church of Our Lady of Kazan transported from the flooded ostrog in the mid-1970s, to which an exact modern copy of another tower of the ostrog and the Southern wall of the fortress were added in the early 2000s.

Permanent settlement began with the construction of an ostrog ( fortress ) in 1636 at the junction of the Oka and Angara rivers.

Abakansky ostrog () was built at this location in 1675, also known as Abakansk.

Yakutsk was founded as an ostrog ( fort ) by Pyotr Beketov in 1632.

In 1736 Okhotsk was moved two miles downstream to a spit of land at the mouth of the Okhota, converting the ostrog into a proper port.

Founded in 1618 by men from Tomsk as a Cossack ostrog ( fort ) on the Tom River, it was initially called Kuznetsk ().

This settlement served as the administrative center of the area for several decades, after which it was moved to the Yolyonnyokh area down by the Vilyuy River, where the ostrog ( fortified settlement ) of Olensk ( now Vilyuysk ) was founded in 1773.

Nyaden was probably the vessel whose boats in July took possession of Catherine Harbour, in the ostrog or fortified settlement of Kola.

When Semyon Dezhnev met Yukaghir peoples in the area and the indigenous name was corrupted to form " Onandyr ", later Anadyrsk, the name of the ostrog ( fort ) upstream of the present-day settlement, from which the current name is derived.

In 1614, an ostrog was built on the river to collect yasak from the natives.

The modern city, however, was founded on July 25, 1641 as an ostrog on the Bely Iyus River.

Amga was first founded by the Cossacks in 1652 as the ostrog of Amga-Sloboda ().

According to them, the fact that in maps of 1710 there was no settlement in place of Berdsk ostrog could mean that it had been destroyed by nomads.

In 1661, Yakov Pokhabov built an ostrog nearby.

Finding few furs and hostile natives and hearing of a rich river to the east, he and Stadukhin and Dmitry Zyrian sailed down the Indigirka, then east along the coast and until the Kolyma River and built an ostrog ( 1643 ).

He built an ostrog at Verkhny-Kamchatsk and rescued or captured a Japanese castaway and went to Moscow to report.

Dezhnyov rounded the eastern extremity of Asia, East Cape, now known to Russians as mys Dezhenyova (‘ Cape Dezhnyov ’), possibly made landfall on the Diomede Islands, sailed through Bering Strait, reached the Anadyr River, ascended it and founded the Anadyr ostrog.

In 1648 Ivan Galkin founded an ostrog on the Barguzin.

The ostrog gained official town rights from the government in 1686.

Cossacks founded an ostrog in 1638, southwest of the modern town.

In 1631 the voyevoda of Yeniseisk sent Pyotr Beketov and twenty men to found an ostrog at Yakutsk ( founded in 1632 ).

In 1651, after having assisted in the foundation of the Anadyrsk ostrog, explorer Mikhail Stadukhin went south and followed the coast of the Sea of Okhotsk from Penzhina Bay to Okhotsk.

All the buildings are inside of the ostrog: living houses, the church, the chief's house, the court house, barns and the garrison.

It was a bold, dark castle of pine boughs that stood like a medieval fortress, eclipsing the sun and human time.

Potemkin's Army of Ekaterinoslav, totaling, it was claimed, 40,000 regular troops and 6,000 irregulars of the Cossack Corps, had invested Islam's principal stronghold on the north shore of the Black Sea, the fortress town of Oczakov, and was preparing to test the Turk by land and sea.

In 1153 Baldwin captured the Egyptian fortress of Ascalon, which was then added to Amalric's fief of Jaffa ( see Battle of Ascalon ).

In 1168 the chief Wendish fortress at Arkona in Rügen, containing the sanctuary of their god Svantevit, was conquered.

During the 3rd century, under threat from a Herulian invasion, repairs were made to the Acropolis walls, and the " Beulé Gate " was constructed to restrict entrance in front of the Propylaia, thus returning the Acropolis to use as a fortress.

After the fall of the Duchy of Athens and the principality of Achaia, the only Latin possessions left on the mainland of Greece were the papal city of Monemvasia, the fortress of Vonitsa, the Messenian stations Coron and Modon, Navarino, the castles of Argos and Nauplia, to which the island of Aegina was subordinate, Lepanto and Pteleon.

The most powerful of the latter was Umar ibn Hafsun, who, from his impregnable fortress of Bobastro, controlled much of eastern Al-Andalus.

The last of Ibn Hafsun to fall was Hafs, who stood in his powerful fortress of Bobastro.

Gobannium was a Roman fort guarding the road along the valley of the River Usk which linked the legionary fortress of Burrium ( Usk ) and later Isca Augusta or Isca Silurum, ( Caerleon ) in the south with Y Gaer, Brecon and Mid Wales.

The Second Army, under general Nikola Ivanov, with 2 infantry divisions and 1 infantry brigade, was deployed west of the First and was assigned to capture the strong fortress of Adrianopel ( now Edirne ).

The Third Army had 3 infantry divisions and was assigned to cross the Stranja mountain and to take the fortress of Lozengrad ( Kirk Kilisse ).

The fortress of Adrianople was besieged and Kirk Kilisse was taken without resistance under the pressure of the Bulgarian Third Army.

Anadoluhisarı fortress was built between 1393 and 1394 as part of preparations for the Second Ottoman Siege of Constantinople, which took place in 1395.

The strategic position, to wit the high bank of the Waal — which offered an unimpeded view far into Germania Transrhenana ( Germania Beyond the Rhine )— was recognized first by Drusus, who built a massive fortress ( castra ) and a headquarters ( praetorium ) in imperial style.

In the 18th century, a fortress was built at Montjuïc that overlooked the harbour.

In 1794, this fortress was used by the French astronomer Pierre François André Méchain for observations relating to a survey stretching to Dunkirk that provided the official basis of the measurement of a metre.

Jean Froissart states as follows: " Now will I name some of the principal lords and knights ( men-at-arms ) that were there with the prince: the earl of Warwick, the earl of Suffolk, the earl of Salisbury, the earl of Oxford, the lord Raynold Cobham, the lord Spencer, the lord James Audley, the lord Peter his brother, the lord Berkeley, the lord Basset, the lord Warin, the lord Delaware, the lord Manne, the lord Willoughby, the lord Bartholomew de Burghersh, the lord of Felton, the lord Richard of Pembroke, the lord Stephen of Cosington, the lord Bradetane and other Englishmen ; and of Gascon there was the lord of Pommiers, the lord of Languiran, the captal of Buch, the lord John of Caumont, the lord de Lesparre, the lord of Rauzan, the lord of Condon, the lord of Montferrand, the lord of Landiras, the lord Soudic of Latrau and other ( men-at-arms ) that I cannot name ; and of Hainowes the lord Eustace d ' Aubrecicourt, the lord John of Ghistelles, and two other strangers, the lord Daniel Pasele and the lord Denis of Amposta, a fortress in Catalonia ".

Havana was furnished with the fortress of Castillo de los Tres Reyes Magos del Morro to deter potential invaders, which included the English privateer Francis Drake, who sailed within sight of Havana harbour but did not disembark on the island.

The city was built on seven hills as well as on the Golden Horn and the Sea of Marmara, and thus presented an impregnable fortress enclosing magnificent palaces, domes and towers.

Around the turn of the 4th century, as Memphis was continuing to decline in importance, the Romans established a fortress town along the east bank of the Nile.

Massachusetts was increasingly concerned over reports of the capabilities of this fortress, and of privateers staging out of its harbour to raid New England fishermen on the Grand Banks.

In 1758, the fortress of Louisbourg was laid siege for a second time within 15 years, this time by more than 27, 000 British soldiers and sailors with over 150 warships.