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It was not to be as England spoiled plans for a Welsh party with a comfortable win.
Nigel Walker's late try meant Wales still won the championship, but Wales captain Ieuan Evans' face as he receives the trophy from the Queen tells its own story.
It would be another 11 years before the wait for a Grand Slam was finally ended.
In 1994 Wales arrived in Twickenham chasing a first Five Nations Grand Slam since 1978