It was a disastrous air battle for the Soviets, which cost them, according to German claims, 146 aircraft.
There are no German claims for aircraft destroyed in Luftwaffe records, so it remains unclear the cause of Dewar's death.
Both Communist and non-Communist specialists find justification in the East German claim to success.
"No, but you've heard the German claims."
With his campaigns, Lothair renewed the German claim to the areas lost in 983.
At the inaugural meeting of a further 100 people have been co-opted from the Western zones in order to underscore the overall German claim.
The German claim that it had acted lawfully was rejected on all three grounds.
The operation failed to convince international public opinion of the German claims.
The German claims on this land were confirmed during the Conference of Berlin.