Judaism reached Kerala in the 10th century BCE during the time of King Solomon.[167] They are called Cochin Jews or Malabar Jews and are the oldest group of Jews in India.[168][169] There was a significant Jewish community which existed in Kerala until the 20th century, when most of them migrated to Israel.[170] The Paradesi Synagogue at Kochi is the oldest synagogue in the Commonwealth.[171] Jainism has a considerable following in the Wayanad district.[172][173]