Several of the southern ports have old citadels.
Through his exertions the Spanish troops had not only been expelled from Holland and Zeeland, but also from the citadels of Antwerp and Ghent, which were now in the hands of the patriots.
The city, which is dominated on the west by the two citadels of Petersbergand Cyriaxburg, is irregularly built, the only feature in its plan, or want of plan, being the Friedrich Wilhelmsplatz, a broad open space of irregular shape abutting on the Petersberg.
Inland, Mysore was gradually growing into a third Hindu state, while everywhere local chieftains, called palegars or naihs, were in semi-independent possession of citadels or hill-forts.
The medieval citadels of Belgrade, Nish, Pirot and Semendria have no military value, but some strategic points on the Bulgarian frontier were entrenched between 1889 and 1899, while the modern forts of Nish, Pirot and Zayechar were strengthened and re-armed at the beginning of the 10th century.
