Q 01/05

Roughly how many followers does Christianity have, making it the world's largest religion?

A) 1.2 billion

B) 1.8 billion

C) 2.3 billion

D) 3.1 billion

Answer · why

C) 2.3 billion

That is close to 29 percent of everyone alive; the fastest growth today is in Africa and Asia.

Q 02/05

Which is the largest single branch of Christianity, accounting for roughly half of all Christians?

A) Protestantism

B) Eastern Orthodoxy

C) Oriental Orthodoxy

D) Catholicism

Answer · why

D) Catholicism

Protestants number about 800 million and Eastern Orthodox about 300 million.

Q 03/05

According to the Acts of the Apostles, in which city were followers of Jesus first called 'Christians'?

A) Jerusalem

B) Rome

C) Antioch

D) Ephesus

Answer · why

C) Antioch

The name was apparently coined by the city's non-Jewish inhabitants; Antioch is now Antakya in southern Turkey.

Q 04/05

Which Roman emperor issued the Edict of Milan in 313, decriminalising Christianity?

A) Emperor Nero

B) Diocletian

C) Constantine

D) Theodosius

Answer · why

C) Constantine

Twelve years later he chaired the Council of Nicaea, and Christianity did not become the empire's official religion until 380.

Q 05/05

The Edict of Thessalonica in 380 made Nicene Christianity the Roman state church. Which emperor issued it?

A) Constantine I

B) Julian

C) Theodosius I

D) Justinian I

Answer · why

C) Theodosius I

It was issued jointly with Gratian and Valentinian II on 27 February 380.