KnowraBattle of GumbinnenLinked fromLinked fromThe 3 pages that link to Battle of Gumbinnen, each with the reason it gives.All 3Broader topic 1Related 2Battle of TannenbergRelated: The Russian advance after this engagement helped prompt Germany’s decision to concentrate against Samsonov’s army.First Battle of the Masurian LakesRelated: The German withdrawal after Gumbinnen opened East Prussia to Russian advances.Battle of StallupönenBroader topic: It followed Stallupönen three days later as the Russian advance continued.