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After reading 1492 websites, we found 1 different results for "What year was 500 Days of Summer released"

2009

Both 500 Days of Summer and The Pink Panther 2 were released in 2009; although The Pink Panther 2 was panned by reviewers, 500 Days of Summer was well received by critics and audiences alike, and audiences was Fox Searchlight's highest grossing film of the year.

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