Norwich also records the site of an Anglo-Saxon church in Tombland, the site of the Saxon market place and the later Norman cathedral. Norwich continued to be a major centre for trade, the River Wensum being a convenient export route to the River Yare and Great Yarmouth, which served as the port for Norwich. Quern stones and other artefacts from Scandinavia and the Rhineland have been found during excavations in Norwich city centre. These date from the 11th century onwards. Norwich Castle was founded soon after the Norman Conquest. The Domesday Book records that 98 Saxon homes were demolished to make
Norwich day. Norwich was the site of the first provincial library in England, which opened in 1608, and was the first city to implement the Public Libraries Act 1850. The "Norwich Post" was the first provincial newspaper outside London, first published in 1701. The Norwich School of artists was the first provincial art movement, with nationally acclaimed artists such as John Crome associated with the movement. Other literary firsts associated with the city include Julian of Norwich's "Revelations of Divine Love", published in 1395, which was the first book written in the English language by a woman, and the first poem