Misc: who is the lead singer with the band 'texas'?

Questions

On This Day In January 1973 - Britain, Ireland, ______ and Norway joined the EEC.?

On This Day In January 1979 - The United States and ______ held celebrations in Washington, DC, and Beijing to mark the establishment of diplomatic relations between the two countries.?

On This Day In January 1981 - Greece joined the ______ Community.?

On This Day In January 1984 - AT&T was broken up into ______ Bell System companies under terms of an antitrust agreement.?

On This Day In January 1986 - Spain and ______ joined the European Community (EC.?