1. The fall of the Western Roman Empire in the 5th century led to the rise of the Holy Roman Empire and the Roman Catholic Church in medieval Europe. 2. Charlemagne united much of Western Europe under the Holy Roman Empire in the late 8th century and was crowned emperor by the Pope in 800 CE. 3. The Holy Roman Empire reached its height of power under Otto I in the 10th century but gradually declined thereafter as local powers asserted more independence.

1. PAGHINA AT PAGBAGSAK NG IMPERYONG ROMA PAGSISIMULA NG BANAL NA IMPERYONG ROMA SIMBAHAN SA GITNANG PANAHON

3. DARK AGES O PANAHON NG KADILIMAN

4. PAGHINA AT PAGBAGSAK NG IMPERYONG ROMA PAGSISIMULA NG BANAL NA IMPERYONG ROMA SIMBAHAN SA GITNANG PANAHON

9. Christianity percentage by country

16. PAGHINA AT PAGBAGSAK NG IMPERYONG ROMA PAGSISIMULA NG BANAL NA IMPERYONG ROMA SIMBAHAN SA GITNANG PANAHON

18. ORTHODOX 14 equal Patriarchs, where the Ecumenical Patriarch of Constantinople is considered "first among equals". 1 Ecumenical Patriarch of Constantinople 13 Patriarchs (Autocephalous churches) Metropolitans Bishops Priests/Parishes (Local churches)

21. Mga Nagpalaganap ST. AUGUSTINE ST. PAUL

22. ST. BENEDICT ST. JEROME

23. ST. FRANCIS OF ASSISI ST. DOMINIC