http://dosadu.pl has been crawled 20 times going all the way back to January 25, 2009.

A crawl can be a duplicate of the last one. It happens about 25% of the time across 420,000,000 websites. FAQ
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January 25, 2010

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February 5, 2010

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March 28, 2010

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April 9, 2010

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April 28, 2010

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May 31, 2010

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June 27, 2010

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July 28, 2010

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July 29, 2010

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August 1, 2010

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Note

This calendar view maps the number of times http://dosadu.pl was crawled by the Wayback Machine, not how many times the site was actually updated. More info in the FAQ.