Historians have been divided as to the reasons for the political changes of these years.

Historians are divided as to what crime he was referring to.

Historians have been divided in their interpretation of this event.

Historians are divided about the people who were part of the fyrd.

Historians are still divided about the reasons for the attack on Ethiopia in 1935.

Historians are divided as to whether the castle was besieged at the same time.

Historians are divided as to the location of this battle.

Historians are divided as to whether or not gas was in fact used.

Historians are divided on how seriously to take this association idea.

Historians are divided about how they summarise the campaign's result.