Uganda -- (25 Oct. 1962) Ukraine-- (24 Oct. 1945) United Arab Emirates -- (9 Dec. 1971) United Kingdom of Great Britain and Northern Ireland-- (24 Oct. 1945) United Republic of Tanzania -- (14 Dec. 1961) United States of America -- (24 Oct. 1945) Uruguay -- (18 Dec. 1945) Uzbekistan -- (2 Mar. 1992)