At the end of the first Millennium - AD 988.
Vladimir I ordered his subjects to convert to Orthodox Christianity.
AnswerIn the late tenth century, Vladimir, the prince of Kiev, adopted Byzantine Christianity and ordered the mass baptism of Russians.
Trying to convert them into Christianity
Vladimir
to convert many people to Christianity
The Slavs, eg. the Russians and Serbians.
Vladimir the Great
In the summer of 386 Augustine converted to Christianity.
Christianity.
No.
Constantine
Absolutely not.