Sid Grauman opens Egyptian Theatre in Los
Angeles
First public perfomance in Berlin of sound
movie using a film sound track (Tri-Ergon)
UK BBC formed as commercial radio broadcasting
company
Technicolor introduces two-color process
Ernst Lubitsch leaves Germany to work in
Hollywood
First 3-D movie released
First portable radio in US
Average US weekly movie attendance is 40
million (1.56 per household)
First film with optical sound track produced
by UFA
First radio advertisement in USA, cost
$100 for ten minutes
New York State Court rules that actors
can't prevent re-editing or re-release of film in which they
appear
<-
1921 + 1923 ->
