Mezue ahịrịokwu na-esonụ: Harp ukulele pụtara na 1910s, mgbe ụbọ akwara na-enwe ụfọdụ ewu ewu, na ukulele ka malitere inwe ewu ewu na mba niile na United States n'ihi iji ya na
Panama-Pacific International Exposition nke afọ 1915.