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This topic has appeared in the English Wikipedia rankings 1 time. It first appeared on 2026-07-23 and was most recently seen on 2026-07-23.
The Alba Carolina Citadel is a star fortess located in the center of Alba Iulia, Romania. Its construction commenced on 4 November 1715, during the Habsburg rule in Transylvania, and was completed in 1738. 20,000 serfs were involved in its construction, which is estimated to have cost around 3 million florins. The citadel was built on the site of two other fortifications: the legionary fortress of Legio XIII Gemina, as well as the medieval Belgrad citadel.
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