At the age of 40 he converted to Christianity and in 325 he convened the first ecumenical Council of Nicaea. Because of the importance of this council, many people believe that Constantine created the Church, but in fact there had been many councils (though not as large) prior to Nicaea and the structure of the Church already existed.
Katika umri wa miaka 40 akabadili kuwa Mkristo na katika 325 aliitisha kwanza kiekumeni Baraza la Nicaea.