In the late tenth century, Vladimir, the prince of Kiev, adopted Byzantine Christianity and ordered the mass baptism of Russians.
King Ezana was the king of the Axum Empire from 330-356 A.D. He was the first axumite ruler to convert to Christianity and conquered the kingdom of Nubia in about 350 A.D.
Ivan III
The first Russian ruler to take the title of tsar was Ivan IV, commonly known as Ivan the Terrible. He was officially crowned Tsar of All Rus' in 1547, marking the beginning of the Tsardom of Russia. This title signified a shift in the authority and status of the Russian ruler, establishing a legacy that would influence future monarchs.
The Emperor Constantine, who was the ruler of the eastern empire, converted to Christianity and made it the state religion. This began the Holy Roman Empire.
Bolsheviks
Vladimir
Clovis
King Ezana was the king of the Axum Empire from 330-356 A.D. He was the first axumite ruler to convert to Christianity and conquered the kingdom of Nubia in about 350 A.D.
Ivan III
For what was suppose to be Christianity was instituted by Constatine. that answer is wrong the first roman ruler to adopt Christianity as roman official religion was Theodosius They are both right, Constatine 1 and theodosius 1
westernize Russia
Ivan IV or Ivan the Terrible
The first Russian ruler to take the title of tsar was Ivan IV, commonly known as Ivan the Terrible. He was officially crowned Tsar of All Rus' in 1547, marking the beginning of the Tsardom of Russia. This title signified a shift in the authority and status of the Russian ruler, establishing a legacy that would influence future monarchs.
A Russian ruler was called a Tsar or Czar, depending on your preferred spelling.
Many will point to Constantine as the first in circa 325 AD.
The Emperor Constantine, who was the ruler of the eastern empire, converted to Christianity and made it the state religion. This began the Holy Roman Empire.
tsar