The evidence suggests the fort was constructed in the late 4th or early 5th century.

A fort constructed in the 20th century is also located next to the church.

The site was formerly a fort, constructed from about 1890.

This particular place gets its name from a fort constructed by Portuguese in 1503.

The fort was constructed between 1941 and 1944 by the German navy.

The remains of the church were demolished when the fort was constructed in 1867.

A fort constructed by the British army stands near the centre of the town.

In 1794, a larger fort was constructed on the west bank of the river opposite the ferry.

The 30-gun fort was constructed between 1807 and 1811.

To that end, two forts were constructed commanding the river.