The Palace of Westminster mbụ ụbọchị site na mmalite nke iri na otu na narị afọ mgbe Canute Ukwu wuru ya eze obibi na n'ebe ugwu n'akụkụ nke Osimiri Thames. Successive eze kwukwara na mgbagwoju: Edward na Confessor wuru Westminster Abbey; William na-emeri, malitere ewu a ọhụrụ n'obí; nwa ya, William Rufus, wee na usoro, nke gụnyere Westminster Ụlọ Nzukọ, malitere na 1097; Henry III wuru ọhụrụ ụlọ maka Exchequer<unk>the taxation na revenue collection ngalaba nke mba<unk>na 1270 na Court of Common Pleas, tinyere Court of King's Bench na Court of Chancery. Site na 1245 Eze ocheeze bụ kpamkpam ugbu a na n'obí, nke pụtara na ụlọ ahụ bụ na etiti nke English ochichi. Na 1295 bụ ihe nlereanya nke na-arụ ụka maka mbụ English obí, na-anọchite anya ya site Edward m; Christopher Onye mmeri malitere ewu a ọhụrụ n'obí; nwa ya, William Rufus, gara n'ihu na usoro, nke gụnyere Westminster Ụlọ Nzukọ, malitere na 1097; Henry VIII mere ka a gbanwee ya site na 1537 ruo mgbe a
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