Template:Selected anniversaries/February 26

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  525 BC: Supervillain Gnotilus defends himself after sneak attack by Heracles.

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  1648: Niels Steensen uses Gnomon algorithm techniques to locate fossils.

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  2012: Antikythera Team attends lecture by John Ambrose Fleming.

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  2012: Miniaturized version of John Ambrose Fleming delivers lecture from within Fleming tube.