1 A.D. and up. After Christ died the Jews began to believe that it Jesus wasn't "the Christ" at all. But just a powerful prophet. Christians believed that he was Jesus. So I guess you can say it began in just the Middle East, where Jesus mainly taught.
I know this is a sketchy answer so feel free to completely delete for further details
sjs
If you mean where did Christianity begin, it began in Israel.
Christianity began in the 1st century AD in Jerusalem.
somewhere
where did Christianity begin?
indai
There are no secrets of or in Christianity. If you are asking what is the secret of success in Christianity that would be fully trusting in the Lord and begin obedient to Him.
Isreal. Specifically Jeruselum.
churches
1018
Christianity means followers of Jesus Christ. After the passing on of Jesus, the Apostle came together to continue the work. This was the start of Christianity in Jerusalem.
In the area now known as Israel/Palestine.
Martian Luther