What are the release dates for Hangar 18 - 1980?

Hangar 18 - 1980 was released on:

USA: July 1980 (Hollywood, California)
Ireland: 13 March 1981
Taiwan: 31 October 1981
Portugal: 4 February 1982
Australia: 6 May 1982
Sweden: 14 May 1982
Colombia: 9 June 1982
Hungary: 7 February 1985
Japan: 15 October 1987 (video premiere)