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Hi! Just wondering why you don't need a "the" for world war 2? Thanks, Fulvio

1. The Vietnam War started in 1955.

2. World War 2 started in 1939.

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Because "2" has sufficient determinative effect.

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yellowstarstruckJust wondering why you don't need a "the" for world war 2? World War II.

Nothing specified with a number takes "the":

Please read sentence 3 in the text. (not 'the sentence 3')
To see what the author thinks about freedom we need to analyze paragraph 5. (not 'the paragraph 5')
The quotation you're looking for is on page 382. (not 'the page 382')

CJ