Editing Religious conversion (section)

===Judaism===
[[File:Temple Beth-El (Birmingham) mikveh.jpg|thumb|The traditional normative conversion process to Judaism (''gijur'') of one, two or more years is finalized with [[Ritual washing in Judaism#Full-body immersion|ritual immersion]] in a natural collection of water, e.g. a river, a lake, or a [[mikveh]], down to the present day (Beth-El reform-synagogue, Birmingham, Alabama, 2006). ]]
{{Main|Conversion to Judaism|Gerim|List of converts to Judaism}}

Conversion to Judaism is the religious conversion of [[gentile|non-Jews]] to become [[Gerim|members of the Jewish religion and Jewish ethnoreligious community]].<ref name="autogenerated1" /> The procedure and requirements for conversion depend on the sponsoring [[Jewish denominations|denomination]]. A conversion in accordance with the process of a denomination is not a guarantee of recognition by another denomination.<ref name="autogenerated1">{{cite web|title=Converting to Judaism|date=July 12, 2011|newspaper=BBC|url=http://www.bbc.co.uk/religion/religions/judaism/beliefs/conversion.shtml|access-date=November 18, 2016}}</ref> A formal conversion is also sometimes undertaken by individuals whose Jewish ancestry is questioned, even if they were raised Jewish, but may not actually be [[Who is a Jew?|considered Jews]] according to [[halakha|traditional Jewish law]].<ref>{{cite news|title=So You Want to Convert to Judaism? It's Not That Easy|first=Uriel|last=Heilman|date=October 6, 2014|url=http://www.haaretz.com/jewish/features/1.619493|access-date=November 18, 2016|newspaper=Haaretz}}</ref>

As late as the 6th century, the Eastern [[Byzantine Empire|Roman empire]] and [[Umar|Caliph Umar ibn Khattab]] were issuing decrees against conversion to [[Judaism]], implying that this was still occurring.<ref>{{Cite web|url=https://legacy.fordham.edu/halsall/source/pact-umar.asp|title=Internet History Sourcebooks: Medieval Sourcebook|website=legacy.fordham.edu}}</ref>