Khama immediately sent a regiment of 400 men to fortify Ngwapa, the key natural fortress of the area.

He defended two key Loyalist fortresses at Akasaka and Chihaya.

Many of the key fortresses on what little territory it controlled were in Ottoman hands.

He was on the point of taking the key fortress of Valencia in the same year, when he fell sick and died within a matter of weeks.

The castle was a key fortress of the Dukes of Normandy in the 11th and 12th centuries.

Benten Daiba, another key fortress of the Republic of Ezo.

The Spaniards refused to give up the key fortress of Wesel, and remained under their control.

Bonaparte's victory in the Battle of Borghetto isolated the key fortress of Mantua.

He had his loyalists began to occupy the key fortresses in the country and proclaimed himself as the rightful king.

Thomas was in possession of many key fortresses, particularly in northern England.