Bkmrk.
44:49 Minutes
“Why We Are Afraid” - A 1400 Year Secret by Dr Bill Warner
https://www.youtube.com/watch?v=oimshetU-Z8
Bill Warner holds a PhD in physics and math, NC State University, 1968. He has been a university professor, businessman, and applied physicist. Dr. Warner has compiled data of Islamist battles and killings of the last 1400 years and made fantastic power point images.
More info under the video
You noted the most egregious error — the failure to show the whole Roman Empire as Christian from 380 onward — but it also missed the spread of Christianity into and across central Asia by the Nestorians prior to the rise of Islam, the spread of Buddhism to East Asia (and among the Mongols among whom it for a while displaced both their native shamanism and Nestorian Christianity), and the Christianization of the Russian Far East, including Russian Alaska.