The document provides an overview of Spanish territories in ancient times, beginning with the Indo-European invasions in the first half of the 1st millennium BC. It then discusses the various colonizers like the Phoenicians, Greeks, and Carthaginians who established colonies along the coast. In the second half of the 1st millennium BC, the Iberian and Celtic tribes emerged as the main pre-Roman peoples. The Roman conquest of Hispania began in 218 BC during the Second Punic War and lasted over 200 years. Under Roman rule, Hispania was divided into provinces and cities developed with Roman architecture, culture, and religion.