This date (April 21, 753 BC) was associated with the memory of the most famous legends in ancient history. The birth of the city of Rome, located on the eastern bank of the Tiber River, and its foundation dates back to its legendary king (Romulus), and the meaning of his name; A man of Rome, and the legend mentioned that Romulus had a twin brother, who is (Remus), and they are the sons of the god (March), and are descendants of the Trojan hero (Aeneas), who were breastfed by the she-wolf (Luba) until they regained the throne, and decided to build the city. From this date, foundation day celebrations are held annually, and the rural Parilia festival is held, in which sheep and shepherds are purified.