<P> The Byzantine - Arab Wars and the Battle of Manzikert have traditionally been considered the most significant . However , recent books by Paul Magdalino and John Birkenmeier have re-evaluated the position of the empire in the 12th century , citing the collapse under the Angeloi ( 1185 -- 1204 ) as the most decisive turning point in the empire 's fortunes . Although this view is not universally held , historians generally agree that after the Fourth Crusade in 1204 , the empire was only a shadow of its former self . The death of Michael VIII in 1282 marks the last period of Byzantine success on anything more than a minor scale . From this date onwards , the empire entered its final decline . </P>
<P> The Byzantine - Arab Wars and the Battle of Manzikert have traditionally been considered the most significant . However , recent books by Paul Magdalino and John Birkenmeier have re-evaluated the position of the empire in the 12th century , citing the collapse under the Angeloi ( 1185 -- 1204 ) as the most decisive turning point in the empire 's fortunes . Although this view is not universally held , historians generally agree that after the Fourth Crusade in 1204 , the empire was only a shadow of its former self . The death of Michael VIII in 1282 marks the last period of Byzantine success on anything more than a minor scale . From this date onwards , the empire entered its final decline . </P>
what was one cause of the decline of the byzantine empire
what was one cause of the decline of the byzantine empire
The Byzantine - Arab Wars
The Byzantine - Arab Wars