Imperial Theatre on January 6, 1963, after a national tour of the US in 1962. Of course that was not the world premiere, which took place in London,England at the New Theatre on June 30, 1960. (Lionel Bart, who wrote Oliver!, was English)
Oliver Johnson has: Played Butler in "Adventure Theater" in 1956. Played The Birdman in "The Door in the Wall" in 1956. Played Lord Abbot in "Ivanhoe" in 1958. Performed in "The Cheaters" in 1960. Played Doctor Selines in "Drama 61-67" in 1961.
Oliver Tractors are not made any more. The Oliver Corporation was bought by the White Motor Corporation of Cleveland, Ohio in 1960. The Oliver 2255 was the last model made before the White name took over.