Year of the founding of the Roman Republic?

The founding year of the Roman Republic is 509 BC.
Then, after the expulsion of the last king Tarquinius the Proud, the so-called “Early” republic was formed. Power in the state belonged to two praetors elected for one year – people from the patrician class. In the middle of the 5th century. BC. they began to be called consuls. The entire period of the Early Republic was accompanied by internal strife between patricians and plebeians and external conquests of Rome. The Early Republic existed until 265 BC.