So far Wikipedia has accumulated 2.2 million articles in 100 languages.

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Wikipedia now has almost 25 million articles written in 285 different languages, contributed to by more than 38 million users.

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Volunteers have been producing up to 20 articles a day in various languages, and Mr Bamkin has been in Gibraltar this week seeking more people to contribute photos, maps and information on the territory's history.

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It is written in more than 250 languages with over 2.3 million articles in its English edition.

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His books have been translated into a total of 33 languages and his articles have appeared in various publications including the Harvard Business Review, the New York Times and Wired.

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Taking in the other 200-odd languages in which it is published, Wikipedia has more than 3m articles.

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