Dee ihe na-aga n'ihu maka paragraf a - Mgbe Agha Nnwere Onwe nke Gris (1821<unk>1830), a gwara Leopold ocheeze nke Gris n'okpuru Protocol London nke 1830 nke mepụtara steeti Gris nwere onwe ya, mana ọ jụrụ ya, na-ekwere na ọ dị oke egwu. Kama nke ahụ, ọ nakweere ocheeze nke Belgium na 1831 mgbe mba ahụ nweere onwe ya
na 1830. Gọọmentị Belgium nyere Leopold ọkwa ahụ n'ihi njikọ ya na ndị eze na Europe niile, na n'ihi na dịka onye Britain kwadoro, ọ naghị esonyere ike ndị ọzọ, dịka France, nke a kwenyere na ha nwere oke ala na Belgium nke nwere ike iyi egwu nguzozi ike Europe nke e kere site na 1815 Congress nke Vienna.