The fortified position of Liège (French: position fortifiée de Liège [PFL]) was established after the First World War by Belgium to block the traditional...

The fortified position of Namur (French: position fortifiée de Namur [PFN]) was established by Belgium after the First World War to fortify the traditional...

integral part of the National Redoubt at different times: the Fortified Position of Liège (Luik) with a number of forts the Fortified Position of Namur (Namen)...

Collectively, the line was known as the Fortified Position of Liège I (Position Fortifiée de Liège 1 (PFL I) ), the original Liège forts constituting PFL II. The...

style of Vauban. By the late 19th century, the citadel had become obsolete as a fort, replaced by the twelve forts of the Fortified Position of Liège, though...

is one of twelve forts built around Liège, Belgium, in the late 19th century. The overall Fortified Position of Liège was a constituent part of the country's...

Eben-Emael was the largest of four forts built in the 1930s as the Fortified Position of Liège I (Position Fortifiée de Liège I (PFL I)). From north to...

of the First World War. The city of Liège was protected by a ring of modern fortresses, one of several fortified cities to delay an invasion to allow...

built in the 1930s as part of the fortified position of Liège, augmenting the twelve original forts built to defend Liège in the 1880s with four more...

is one of twelve forts built around Liège, Belgium, in the late 19th century. The overall Fortified Position of Liège was a constituent part of the country's...

is one of twelve forts built around Liège, Belgium, in the late 19th century. The overall Fortified Position of Liège was a constituent part of the country's...

is one of twelve forts built around Liège, Belgium, in the late 19th century. The overall Fortified Position of Liège was a constituent part of the country's...

is one of twelve forts built around Liège, Belgium, in the late 19th century. The overall Fortified Position of Liège was a constituent part of the country's...

Collectively, the line was known as the Fortified Position of Liège I (Position Fortifiée de Liège 1 (PFL I) ), the original Liège forts constituting PFL II. The...

is one of twelve forts built around Liège, Belgium, in the late 19th century. The overall Fortified Position of Liège was a constituent part of the country's...

at Antwerp ready to face any border, while the fortified position of Liège and fortified position of Namur were left to secure the frontiers. On mobilisation...

is one of twelve forts built around Liège, Belgium, in the late 19th century. The overall Fortified Position of Liège was a constituent part of the country's...

division to France on 16 August, as the last Belgian fort of the Fortified Position of Liège surrendered. The Belgian government withdrew from Brussels...

is one of twelve forts built around Liège, Belgium, in the late 19th century. The overall Fortified Position of Liège was a constituent part of the country's...

is one of twelve forts built around Liège, Belgium, in the late 19th century. The overall Fortified Position of Liège was a constituent part of the country's...

Belgian Revolution, the Kingdom of Belgium used Fort de la Chartreuse as a barracks for the Fortified Position of Liège, having built twelve new forts...

is one of twelve forts built around Liège, Belgium, in the late 19th century. The overall Fortified Position of Liège was a constituent part of the country's...

of Belgium ready to face any border, while the Fortified Position of Liège and Fortified Position of Namur were left to secure the frontiers. On mobilization...

is one of twelve forts built around Liège, Belgium, in the late 19th century. The overall Fortified Position of Liège was a constituent part of the country's...

Fort de Saint-Héribert Fort de Suarlée Fortified position of Liège Fortified position of Namur Fortified position of Antwerp Fort Liezele A captured German...

is one of twelve forts built around Liège, Belgium, in the late 19th century. The overall Fortified Position of Liège was a constituent part of the country's...

Staff devised a plan to take the Fortified Position of Liège and its railway junction by coup de main on the 11th day of mobilisation. Later changes reduced...

of Belgium ready to face any border, while the Fortified Position of Liège and Fortified Position of Namur were left to secure the frontiers. On mobilisation...

provided garrisons for the substantial forts constructed around Antwerp, Liège and Namur. These fortifications had been built in several stages beginning...

largely rural region south of the fortified positions of Namur and Liège. Considered a high-value élite unit, it was formed largely of volunteers from the region...