Talk:Czech Astronomical Olympiad

External links modified
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I have just modified one external link on Czech Astronomical Olympiad. Please take a moment to review my edit. If you have any questions, or need the bot to ignore the links, or the page altogether, please visit this simple FaQ for additional information. I made the following changes:
 * Added archive https://web.archive.org/web/20100330002456/http://www.oknavesmiru.cz/ to http://www.oknavesmiru.cz/

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Cheers.— InternetArchiveBot  (Report bug) 07:27, 16 August 2017 (UTC)