"German victory" . "Goldap-Gumbinnen Operation" . . "retook Gumbinnen and managed in late October to stabilize the battle line" . "Goldap\u2013Gumbinnen Operation" . . "Germany" . . . . . . . . "1944-10-30" . "Gumbinnen-Goldap Operation" . "377,300 men" . . . "Battle of Gumbinnen" . "Gumbinnen Operation" . . "16,236 men" . "318 tanks, assault guns and tank destroyers" . . . "Soviet Union" . "battles along the border" . . . . . ":6,801 killed or missing" . . . . . . . . . . . . ":9,435 wounded" . . . . . "Gumbinnen Offensives" . . . . . . . . "Gumbinnen-Goldap operation" . . . "Soviet advance on East Prussia" . . . . . "Gumbinnen Operation" . . "Gumbinnen Operation (First East Prussian Offensive)" . "115 tanks and assault guns destroyed" . .