▁and ▁Germany , ▁ 1 9 2 0 - 1 9 3 9 ▁Free ▁City ▁of ▁Dan zig , ▁September ▁ 1 9 3 9 ▁- ▁February ▁ 1 9 4 5 ▁Naz i ▁Germany . ▁In ▁ 1 9 4 5 ▁returned ▁to ▁Poland . ▁For ▁the ▁history ▁of ▁the ▁region , ▁see ▁History ▁of ▁P omer ania . ▁ ▁The ▁village ▁has ▁a ▁population ▁of ▁ 1 0 . ▁ ▁References ▁ ▁Category : V ill ages ▁in ▁Mal b ork ▁County <0x0A> </s> ▁The ▁Bur pe e ▁Museum ▁of ▁Natural ▁History ▁is ▁located ▁along ▁the ▁Rock ▁River ▁in ▁dow nt own ▁Rock ford , ▁Illinois , ▁United ▁States , ▁at ▁ 7 3 7 ▁North ▁Main ▁Street . ▁ ▁Museum ▁history ▁The ▁museum ▁was ▁created ▁as ▁a ▁Works ▁Progress ▁Administration ▁project . ▁ ▁It ▁was ▁established ▁in ▁ 1 9 4 1 ▁and ▁opened ▁on ▁May ▁ 2 4 , ▁ 1 9 4 2 . ▁The ▁complex ▁is ▁made ▁up ▁of ▁four ▁buildings ▁— ▁the ▁Mann y ▁M ansion , ▁the ▁Bar nes ▁M ansion , ▁the ▁So lem ▁Wing , ▁and ▁the ▁Water ▁Lab . ▁ ▁The ▁So lem ▁Wing ▁is ▁the ▁public ▁portion ▁of ▁Bur pe e ▁Museum . ▁Bu ilt ▁in ▁the ▁winter ▁of ▁ 1 9 9 8 , ▁the ▁So lem ▁Wing ▁houses ▁the ▁museum ' s ▁exhib its , ▁meeting ▁rooms , ▁labor ator ies , ▁gift ▁shop , ▁and ▁the ▁M ahl burg ▁Aud itor ium . ▁It ▁is ▁named ▁after ▁Robert