The Roman–Etruscan Wars, also known as the Etruscan Wars or the Etruscan–Roman Wars, were a series of wars fought between ancient Rome (in both the regal and the republican periods) and the Etruscans. Information about many of the wars is limited, particularly those in the early parts of Rome's history, and in large part is known from ancient texts alone. The conquest of Etruria was completed in 265–264 BC.
The Roman expansion in Italy covers a series of conflicts in which Rome grew from being a small Italian city-state to be the ruler of the Italian region. Roman tradition attributes to the Roman kings the first war against the Sabines and the first conquests around the Alban Hills and down to the coast of Latium. The birth of the Roman Republic after the overthrow of the Etruscan monarch of Rome in 509 BC began a series of major wars between the Romans and the Etruscans. In 390 BC, Gauls from the north of Italy sacked Rome. In the second half of the 4th century BC Rome clashed repeatedly with the Samnites, a powerful tribal coalition of the Apennine region.
By the end of these wars, Rome had become the most powerful state in central Italy and began to expand to the north and to the south. The last threat to Roman hegemony came during the Pyrrhic War (280–275 BC) when Tarentum enlisted the aid of the Greek king Pyrrhus of Epirus to campaign in the North of Italy. Resistance in Etruria was finally crushed in 265–264 BC, the same year the First Punic War began and brought Roman forces outside of the peninsula for the first time. Starting from the First Punic War (264–241 BC) the territories subject to Roman rule also included Sicily (241 BC), Sardinia and Corsica (238 BC), islands transformed into provinces.
Lars Porsena (or Porsenna; Etruscan: Pursenas) was an Etruscan king (lar) known for his war against the city of Rome. He ruled over the city of Clusium (Etruscan: Clevsin; modern Chiusi). There are no established dates for his rule, but Roman sources often place the war at around 508 BC.
Publius Horatius Cocles was an officer in the army of the early Roman Republic who famously defended the Pons Sublicius from the invading army of Etruscan King Lars Porsena of Clusium in the late 6th century BC, during the war between Rome and Clusium. By defending the narrow end of the bridge, he and his companions were able to hold off the attacking army long enough to allow other Romans to destroy the bridge behind him, blocking the Etruscans' advance and saving the city.