Dee ihe na-aga n'ihu maka paragraf a - Ebe o gosipụtara n'ụlọ na n'ihe ngosi nka mara mma nke mba ụwa, onyinye nke "nnukwu ihe nrite" na 1904 na St Louis International Exhibition
, nyere ha nkwanye ùgwù dị ha mkpa. E nwetakwara ihe nrite ndị ọzọ n'ihe ngosi mba ụwa ndị ọzọ, gụnyere Milan 1906; Christchurch, New Zealand, 1907; London 1908; Brussels 1910; Turin 1911; Ghent 1913.