When did Otto I secure recognition of his title?

A. 936

B. 972

C. 973

D. 967

Answer: Option B

Solution(By Examveda Team)

Otto I (23 November 912 – 7 May 973), traditionally known as Otto the Great, was German king from 936 and Holy Roman Emperor from 962 until his death in 973. He was the oldest son of Henry I the Fowler and Matilda.