first of all........christianity has never ended
In Christianity it began with Benedict in the 4th century. It has yet to end.
At the end of the first Millennium - AD 988.
Both religions are alive and kicking still.
The Pax Romana did not promote the spread of Christianity. It was a period of relative political stability in the empire and was not connected to religion. At the end of this period, Christianity was still a small religion with a limited following.
In the year 2010 lent will come to a end on Easter sunday.
They were replaced by other religions: Christianity, Islam.
christianity
It will never stop. It will remain until the end of the Age. Although people will be persecuted for being Christians in the end times.
It was by the end of the 4th Century CE.
R. A. Markus has written: 'The end of ancient Christianity'
When Christianity swept across Scandinavia between the 8th and the 12th century.