Nkwekọrịta Ịchụ Ụgwọ Ọrụ, 1919

Mgbakọ enweghị ọrụ, 1919 bụ Mgbakọ Òtù Na-ahụ Maka Ndị Ọrụ Mba Nile .

E hiwere ya na 1919:N'ịbụ onye kpebiri na nnabata nke ụfọdụ atụmatụ gbasara "ajụjụ nke igbochi ma ọ bụ inye megide enweghị ọrụ",...

 Nkwenye 
N'ihe dị ka afọ 2013, steeti iri ise na asaa akwadola mgbakọ ahụ. N'ime steeti ndị na-akwado, atọ mechara katọọ nkwekọrịta ahụ.
CountryDateNotesArgentinaNovember 30, 1933AustraliaJune 15, 1972AustriaJune 12, 1924BelgiumAugust 25, 1930Bosnia and HerzegovinaJune 2, 1993BulgariaFebruary 14, 1922denounced July 20, 1960Central African RepublicJune 9, 1964ChileMay 31, 1933ColombiaJune 20, 1933CyprusOctober 8, 1965DenmarkOctober 13, 1921DjiboutiAugust 3, 1978EcuadorFebruary 5, 1962EgyptJuly 3, 1954EstoniaDecember 20, 1922EthiopiaJune 11, 1966FinlandOctober 19, 1921FranceAugust 25, 1925GermanyJune 6, 1925GreeceNovember 19, 1920GuyanaJune 8, 1966HungaryMarch 1, 1928IcelandFebruary 17, 1958IndiaJuly 14, 1921denounced April 16, 1938IrelandSeptember 4, 1925ItalyApril 10, 1923JapanNovember 23, 1922KenyaJanuary 13, 1964LuxembourgApril 16, 1928MaltaJanuary 4, 1965MauritiusDecember 2, 1969MontenegroJune 3, 2006MoroccoOctober 14, 1960MyanmarJuly 14, 1921NetherlandsFebruary 6, 1932New ZealandMarch 29, 1938NicaraguaApril 12, 1934North MacedoniaNovember 17, 1991NorwayNovember 23, 1921Papua New GuineaMay 1, 1976PolandJune 21, 1924RomaniaJune 13, 1921SerbiaNovember 24, 2000ratified as Serbia and MontenegroSeychellesFebruary 6, 1978SloveniaMay 29, 1992South AfricaFebruary 20, 1924SpainJuly 4, 1923South KoreaNovember 7, 2011SudanJune 18, 1957SwedenSeptember 27, 1921SwitzerlandOctober 9, 1922Syrian Arab RepublicJuly 26, 1960As the United Arab RepublicTurkeyJuly 14, 1950UkraineMay 16, 1994United KingdomJuly 14, 1921UruguayJune 6, 1933denounced November 11, 1982Bolivarian Republic of VenezuelaNovember 20, 1944

 Njikọ mpụga 
kpebiri na nnabata nke ụfọdụ atụmatụ

 Ederede .
 Nkwenye na nkatọ .