On April 21, 753 BC, according to legend, Romulus and Remus founded Rome. A short excerpt:
"According to legend, Ancient Rome was founded by the two brothers, and demigods, Romulus and Remus, on 21 April 753 BCE. The legend claims that in an argument over who would rule the city (or, in another version, where the city would be located) Romulus killed Remus and named the city after himself. This story of the founding of Rome is the best known but it is not the only one.
Other legends claim the city was named after a woman, Roma, who traveled with Aeneas and the other survivors from Troy after that city fell. Upon landing on the banks of the Tiber River, Roma and the other women objected when the men wanted to move on. She led the women in the burning of the Trojan ships and so effectively stranded the Trojan survivors at the site which would eventually become Rome. Aeneas of Troy is featured in this legend and also, famously, in Virgil's Aeneid, as a founder of Rome and the ancestor of Romulus and Remus, thus linking Rome with the grandeur and might which was once Troy."