Highlights of union-Nissan relations in Smyrna, Tenn.:
1981: Nissan breaks ground amid trade union protests over the lack of union builders.
1983: Production begins; CEO Marvin Runyon says Nissan doesn't need a union.
1989: UAW calls for election; employees soundly reject the union.
1997: Nissan is cited as the most efficient U.S. auto plant for the fourth straight year; UAW prepares a new offensive.