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• Over 75,000 articles on a wide variety of topics, including hundreds of articles not found in the print version of Britannica Britannica Book of the Year Britannica's Lives (23,000 biographies of famous people) Merriam Webster's Collegiate Dictionary "Week in Review" articles Links to 166,000 related websites
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Updated continuously as events occur, with major revisions released three or four times a year. "Events of the Year" material from Britannica Book of the Year is added once per year.

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