International pitch standardaized in 1939 or 1925?

[Ron Nossaman]

> Greetings,
>  
>       I read in Reblitz that A-440 was standardized in 1925. I was told 
> by a college music theory instructor that it was 1939. Now, witch year 
> was it really?
>  
> Thanks in advance,
> Julia

Really? Any year now - maybe.
Ron N