Release dates for
Olympia Part One: Festival of the Nations (1938) More at IMDbPro »Olympia 1. Teil - Fest der Völker (original title)

Country	Date
Germany	20 April 1938
France	22 June 1938
Sweden	5 July 1938
Italy	August 1938	(Venice Film Festival)
Denmark	3 August 1938
Finland	5 August 1938
Netherlands	5 August 1938	(Amsterdam)
Portugal	3 January 1939
Italy	28 January 1939
USA	8 March 1940
Hong Kong	14 March 1940
Japan	12 June 1940
Greece	13 October 2003	(Panorama of European Cinema)
UK	4 April 2004	(London Lesbian and Gay Film Festival)

Olympia 1. Teil - Fest der Völker	Germany (original title)
Olympia Part One: Festival of the Nations	International (imdb display title) (English title) / UK (imdb display title) / USA (imdb display title)
Les dieux du stade	France (poster title)
Les dieux du stade, la fête des peuples	France
Olimpíadas - 1ª Parte: Os Deuses do Estádio	Portugal (imdb display title)
Olimpia, 1. rész - Népek ünnepe	Hungary (imdb display title)
Olimpiada, parte 1	Spain
Olympia - Fest der Völker - Erster Film von den Olympischen Spielen Berlin 1936	Germany (poster title)
Olympia 1. Teil - Götter des Stadions	(undefined)
Olympia-filmi: Kansojen juhla	Finland
Olympia: The Film of the XI. Olympic Games Berlin, 1936	UK
The Olympiad	USA
XI Olympias	Greece (transliterated ISO-LATIN-1 title)