The Legend of Romulus and Remus

King Amulius was the father of Romulus and Remus.

The servant saw the twins as a threat and tried to have them drowned.

The wolf found and cared for the twins after they washed up on the river bank.

Romulus and Remus started fighting because they could not agree on where to build their new city.

The government of Rome made two statues to honor Romulus and Remus.

Why is the story of Romulus and Remus considered a legend?