Wouldn't the first church in the world be the Jerusalem Church run by Peter?
Yes, I think that is considered the first Syriac Church..
Interesting, do the Assyrians claim that?
I read about a certain Assyrian monk living in Jerusalem who wrote about an earthquake that occured in the fourth century. He wrote that it happened on the nineteenth of Iyar, which is the same name for that month on the Jewish calendar. Have they accepted the Gregorian calendar or do they still date things the old way?