Ancient Iranian religion was strongly connected. Beginning in the early 10th-century BC, the ancient Iranian religion was gradually displaced by Zoroastrianism, which contains many essential aspects of its predecessor. The sources on ancient Iranian religion, though limited, consist of textual and material sources. The textual sources are both Iranian and non-Iranian. An important Iranian source is the Avesta, which are Zoroastrian sacred scriptures made in the Avestan. This is considered the principal source of knowledge on ancient Iranian religions. It is a collection of several texts that seems to have been over a large span of time by a variety of authors. These
Avesta (locality) in 1641 as a town under the city of Falun, and in 1644 a copper mint was built. However, the privileges were withdrawn in 1688 due to complaints of competition from its neighbour, mainly Falun. Copper coins were continued to be minted until 1831, and the copper works was in function until 1869. Full city rights were regranted in 1919. The designated coat of arms depict the signs for copper and iron. The town is located by the Dalecarlia River ("Dalälven"). The railway junction Krylbo is situated in Avesta. The following sports clubs are located in Avesta: Avesta (locality) Avesta