Fort de la Vitriolerie, Military fortification in Lyon, France
Fort de la Vitriolerie features a triangular structure with two offensive sides equipped with 66 cannons facing south and east directions.
Construction started in 1840 under King Louis-Philippe's order and took twenty years to complete, creating part of Lyon's first defensive ring.
The fort transformed from a military installation to the Quartier Général Frère in 1968, becoming the headquarters of the South-East Military Region.
The fortification contains two-story barracks that accommodated 800 personnel, with a third floor added in 1860 to increase capacity.
National guards from working-class districts seized the fort on September 4, 1870, during the Lyon commune to obtain weapons against bourgeois opponents.
Location: Lyon
GPS coordinates: 45.74200,4.83006
Latest update: June 23, 2025 11:07
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