International Open Access Week

International Open Access Week, also known as Open Access Day and Open Access Week, is observed next on Monday, October 20th, 2025. It was observed on October 14th in 2008. It was observed for 5 days starting on October 19th in 2009. It was observed for 7 days starting on October 18th in 2010. It has been observed the last full week (starting Monday) of October since 2011.

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