Mezue ahịrịokwu na-esonụ: N'afọ 1914 n'oge Agha Ụwa nke Mbụ, ndị agha Germany n'okpuru ọchịagha Paul von Hindenburg meriri ndị agha Alaeze Ukwu Russia na-awakpo Ọwụwa Anyanwụ Prussia n'agha a lụrụ na Tannenberg. Agha ahụ were site na 26 ruo 30 Ọgọst ma tinye n'ezie ọtụtụ ebe agha dị na Olsztynek, nke a maara mgbe ahụ dị ka "Hohenstein". Otú ọ dị, a kpọrọ ya aha "Tannenberg" dị nso site n'aka ndị Germany na-enwe mmeri na arịrịọ Hindenburg, maka ebumnuche mgbasa ozi na iji tụfuo ya dị ka ụdị ịbọ ọbọ maka mmeri nke oge ochie. N'afọ 1934, e mere olili nke von Hindenburg n'ebe ahụ. Na Agha Worldwa nke Abụọ, akụkọ ifo Tannenberg nyere aha ndị German "Operation Tannenberg" mkpochapụ mkpochapụ nke ndị Poland, ebe ndị Poland na-eme ihe ike na-eme ihe ike.
Agha nke Tannenberg Line na-ezo aka na agha Eastern Front nke mere na Estonia.