AllMovie

Happy Days is a 1929 American pre-Code musical film directed by Benjamin Stoloff, which was the first feature film shown entirely in widescreen anywhere in the world, filmed using the Fox Grandeur 70 mm process. French director Abel Gance's Napoléon (1927) had a final widescreen segment in what Gance called Polyvision. Paramount released Old Ironsides (1927), with two sequences in a widescreen process called "Magnascope", while MGM released Trail of '98 (1928) in a widescreen process called "Fanthom Screen".