Question: When did the byzantine empire start to decline?

context: The Byzantine Empire experienced several cycles of growth and decay over the course of nearly a thousand years, including major losses during the Arab conquests of the 7th century. However, modern historians generally agree that the start of the empire's final decline began in the 11th century. 
question: When did the byzantine empire start to decline slightly after major losses during Arab conquests?
short_answers: 7th century
context: No context provided
question: When did the byzantine empire start to decline for a final time?
short_answers: 1071
11th century
context: The Byzantine Empire experienced several cycles of growth and decay over the course of nearly a thousand years, including major losses during the Arab conquests of the 7th century. However, modern historians generally agree that the start of the empire's final decline began in the 11th century. 
question: When did the byzantine empire first start to decline?
short_answers: 7th century
context: The Byzantine Empire experienced several cycles of growth and decay over the course of nearly a thousand years, including major losses during the Arab conquests of the 7th century. However, modern historians generally agree that the start of the empire's final decline began in the 11th century. 
question: When did the byzantine empire final start to decline?
short_answers: 11th century

Answer: The Byzantine Empire experienced several cycles of growth and decay over the course of nearly a thousand years, including major losses during the Arab conquests of the 7th century. However, modern historians generally agree that the start of the empire's final decline began in the 11th century.