Not my research but summarized to be very brief.
There appears to be a 309.6 religious cycle. While not exact it seems to conform to around these dates. In the cycles there are Peaks and Troughs - turning points to something new.
| Year | Event |
| 3 | Birth of Cristianity |
| 312 | Triumph of Christianity over Paganism |
| 622 | Birth of Islam |
| 931 | Pilgrimages (End of the World) |
| 1241 | Crusades to conquer the Holy Land |
| 1551 | Protestant Reformation, Islam attempts to conquer Europe |
| 1860 | End of the World Religions, End of Slavery, Clash of philosphies within Christianity (Liberal vs. Conservative) |
| 2072 | Next Turning Point |
2170 https://www.armstrongeconomics.com/world-news/religion/the-decline-fall-of-religion/ |