- Feanor rallying the Noldor to return to Middle-earth. The Rebellion of the Noldor, also known as the Flight of the Noldor was a historic event during the Elder Days. It was when Feanor and his sons rebelled against the Valar and the other Elvish kindreds, swearing an oath to reclaim Feanor's Silmarils, which had been stolen by the Dark Lord Morgoth.