The earliest archeologically identified Christian church is a house church (domus ecclesiae), the Dura-Europos church, founded between 233 and 256. In the second half of the 3rd century AD, the first purpose-built halls for Christian worship (aula ecclesiae) began to be constructed.
Who is the leader of the Protestant Church?
Martin Luther, often called the father of Protestantism, fundamentally changed the Christian world through his force of will and new ideas. He tried passionately to reform the Catholic Church.