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Fun fact: Wikidata has now existed for the majority of Wikipedia’s lifetime. https://query.wikidata.org/embed.html#%23%20How%20long%20Wikipedia%20has%20existed%20without%20and%20with%20Wikidata%2C%20and%20the%20date%20where%20both%20were%20equal.%0ASELECT%20%3FwikipediaStart%20%3FwikidataStart%20%3FwikipediaWithoutWikidata%20%3FwikipediaWithWikidata%20%3FdateWhereDaysWithoutEqualsDaysWith%20WHERE%20%7B%0A%20%20wd%3AQ52%20wdt%3AP571%20%3FwikipediaStart.%0A%20%20wd%3AQ2013%20wdt%3AP571%20%3FwikidataStart.%0A%20%20BIND%28%3FwikidataStart%20-%20%3FwikipediaStart%20AS%20%3FwikipediaWithoutWikidata%29%0A%20%20BIND%28FLOOR%28NOW%28%29%20-%20%3FwikidataStart%29%20AS%20%3FwikipediaWithWikidata%29%0A%20%20BIND%28%3FwikidataStart%20%2B%20STRDT%28CONCAT%28%22P%22%2C%20xsd%3Astring%28xsd%3Ainteger%28%3FwikipediaWithoutWikidata%29%29%2C%20%22D%22%29%2C%20xsd%3Aduration%29%20AS%20%3FdateWhereDaysWithoutEqualsDaysWith%29%0A%7D

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