First Council of Nicaea established church structure and Canon law. Also, we can trace the unbroken line of successive bishops to that date.
The Great Schism of 1054 can be viewed as just a corporate split due to political pressure, which it was. It didn't seriously change anything about the business of the parent company.
The Great Schism of 1054 can be viewed as just a corporate split due to political pressure, which it was. It didn't seriously change anything about the business of the parent company.