
Legendary foundations and prehistory
According to the legendary Historia Regum Britanniae, by Geoffrey of Monmouth, London was founded by Brutus of Troy about 1000–1100 B.C. after he defeated the native giant Gogmagog; the settlement was known as Caer Troia, Troia Nova (Latin for New Troy), which, according to a pseudo-etymology, was corrupted to Trinovantum. Trinovantes were the Iron Age tribe...