The set of fortresses Vauban built between 1668 and 1698 on Frances northern border was called this.
- The Bourbon Wall
- The Fence of Iron
- The Last Line
- The Northern Wall
The Fence of Iron. Vauban was the premier military engineer of his time, his new model forts were so advanced and effective they defended France for decades after his death.
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HistoryNet Staff (2/27/2026) Daily Quiz for March 25, 2019. HistoryNet Retrieved from https://historynet.com/quiz190325/.
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HistoryNet Staff - Daily Quiz for March 25, 2019. [Internet]. [Accessed 2/27/2026]. Available from: https://historynet.com/quiz190325/
HistoryNet Staff. "Daily Quiz for March 25, 2019." HistoryNet Staff - Accessed 2/27/2026. https://historynet.com/quiz190325/
"Daily Quiz for March 25, 2019." HistoryNet Staff [Online]. Available: https://historynet.com/quiz190325/. [Accessed: 2/27/2026]