Final answer:
Rome was founded in 753 B.C. at a crossing of the Tiber River by shepherds and farmers. The legend of Romulus and Remus tells the story of Rome's founding and the first king of Rome. Archaeological evidence and ancient Roman historians support this founding date.
Step-by-step explanation:
Rome was founded in 753 B.C. at a crossing of the Tiber River by sheperds and farmers. According to the legend of Romulus and Remus, two brothers who were raised by a she-wolf, Romulus killed Remus and became the first king of Rome. This founding date is supported by archaeological evidence and ancient Roman historians.