1947
Source: youtube.com
Jack Benny (1894-1974) had the funniest radio show around, and here is the complete show from November 27, 1938.
Source: youtube.com
From the short ๐ฎ๐๐๐ ๐ด๐๐๐๐๐๐, ๐ฌ๐๐! 1934 A little Roman nonsense featuring Leon Errol and June MacCloy along with some typically splashy early Three-Strip Technicolor.
Source: youtube.com