When did the 1914-18 War become "World War I"?

[Barnhart]

JJJRLandau at AOL.COM,Net writes:

>This has been discussed on both of the WWI Lists and the WWII Lists.
>The
>term "World War II" appeared in the British press in September, 1939,
>and,
>by default, 'the Great War' and 'the World War' were converted into
>"World
>War I".

The OED attests the terms:
world war from 1909,
World War No. 2 from 1919
World War II (in Time mag.) from Sept. 11, 1939
World War I (in Time mag.) from Sept. 18, 1939
World War No. 3 from 1945
World War One from 1947
World War III from 1959
World War Three from 1968
World War Two from 1968

Regards,
David Barnhart

barnhart at highlands.com