There he led the excavations of Izborsk (1924) and Grobin in Latvia (1929), among other early medieval sites.
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In 1925 the Swedish Armed Forces published his The Rise of the Swedish Realm (Det svenska rikets uppkomst) in which Nerman argued that the formation of the Swedish state had been completed by the 8th century, that it was the direct continuation of the "powerful Svea kingdom" mentioned by Tacitus, and that Sweden with its history of two millennia held senior rank among the existing nations of Europe.
Birger Jarl | Birger Sjöberg | Ture Nerman | Karl-Birger Blomdahl | Charles Birger | Birger, King of Sweden | Birger Jarls Torn | Birger Jarls torn | Birger Jarlsgatan | Birger | Birger Ruud | Birger Ragnvald Sevaldson | Birger of Sweden | Birger Brosa | Birger Bergersen |