General Oscar Eugène Nygren was a Swedish Army officer. Nygren's military career spanned over four decades, marked by a series of senior appointments. Beginning as a second lieutenant in the Hälsinge
The General Staff was a Swedish government agency established in 1873 and was active until 1937. It was headed by the Chief of the General Staff which was a senior member of the Swedish Army.
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The building (Schering Rosenhane's Palace) at Birger Jarls torg 10 where the General Staff was located from 1876 to 1926.
The building at Östermalmsgatan 87 in Stockholm where the General Staff was located from 1926 to 1937.