. "Nils Waltersen Aasen"@en . "Norwegian"@en . . "1925"^^ . . . . . . . . . . . . . "Nils Waltersen Aasen"@en . . . . "Arms inventor"@en . . . . . "1925-12-27"^^ . . . . . . . . "1245264"^^ . . . . . "Nils Waltersen Aasen (30 March 1878 \u2013 27 December 1925) was a Norwegian arms inventor. He has been credited with having developed the modern hand grenade and land mine just prior to World War I."@en . . . . . . . . . . . "Nils Waltersen Aasen (30 March 1878 \u2013 27 December 1925) was a Norwegian arms inventor. He has been credited with having developed the modern hand grenade and land mine just prior to World War I."@en . . . . . . . . . "Stoughton, Wisconsin, U.S."@en . . . . . . . . . . . . . "40"^^ . . . "Nils Waltersen Aasen"@en . . . . "Developed the modern hand grenade and land mine"@en . . "1925-12-27"^^ . "Stadsbygd, Norway"@en . . . "5818"^^ . . "1878"^^ . . . . . . . . "1878-03-30"^^ . . "1878-03-30"^^ . . . . . . . . . . . . . . . "1123142434"^^ . . . . . . . . . . . . .