Visit of the Duke of Edinburgh, Prince Philip, husband of Queen Elizabeth II, to Madeira in 21/03/1985.
https://www.rtp.pt/madeira/sociedade/visita-do-prncipe-filipe-madeira-vdeo-_59008
https://www.madeiraislandnews.com/2021/04/prince-philip-duke-of-edinburgh-visit-to-madeira-1985.html