-480 ⟶ Construction of Spiral Stairs at Temple A, Selinunte
Spiral stairs (Temple A) in Selinunte, Sicily (see also List...Year
-509
-480
-116
7
42
52
🏛️ Dedication of the Temple of Jupiter Optimus Maximus
13 September 509 BC: The Temple of Jupiter on Rome's Capitoline Hill is dedicated on the Ides of September.⟶

Ancient romeReligionTempleJupiterArchitecture

🪜 Construction of Spiral Stairs at Temple A, Selinunte
Spiral stairs (Temple A) in Selinunte, Sicily (see also List of ancient Spiral stairs)⟶

Ancient greeceArchitectureTempleConstruction

🧱 Roman Concrete (Pozzolana) First Used
The Roman concrete (pozzolana) first used.⟶

Ancient romeRoman EmpireConcreteConstructionArchitectureInfrastructure

🏛️ Temple of Concord Construction Begins
Construction of the Temple of Concord begins.⟶

Roman EmpireAncient romeTempleReligionArchitectureConstructionAugustus

🚢 Construction of Portus Harbour Begins
Claudius begins construction of Portus, a harbour bearing a lighthouse on the right bank of the Tiber.⟶

Roman EmpireInfrastructureTradeClaudiusAncient romeMaritime HistoryConstruction

⛏️ Claudius's Attempt to Drain Fucine Lake
Emperor Claudius attempts to control the Fucine Lake by digging a 5.6 km tunnel through Monte Salviano, requiring 30,000 workers and eleven years.⟶

Roman EmpireInfrastructureConstructionCanalsClaudiusAncient rome
