Work started on the castle in the 1100s, and it grew over the centuries to become a defensive stronghold.

Due to potential dangers of interstate wars, building defensive strongholds were a must.

They were no longer defensive strongholds from attacks by hostile local tribes, nor sites of resistance to the Roman army.

Due to technical innovations in warfare, by the end of the 18th century, the round bastion had lost its importance as a defensive stronghold.

The town was founded as a defensive stronghold on an Old Prussian site.

In 1688, though, the former upper defensive stronghold was converted into a granary, suggesting a recovering population.

Unlike the Plantation Cay property, the horse farm wasn't a defensive stronghold.

The layout of Queenstown reflects its original objective as a defensive stronghold for the frontier area and has a most unusual design.

If Loki had wanted to create a defensive stronghold for himself, what better place than here, triply protected by his own wonderful fire?

Rathfarnham Castle itself was re-modelled from a defensive stronghold into a stately home.