Wikipedia:Main Page history/2021 April 9

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<h2 id="mp-tfl-h2" class="mp-h2">From today's featured list <div class="thumbinner mp-thumb" style="background: transparent; border: none; padding: 0; max-width: 175px;"> Historic Centre of Kraków There are sixteen World Heritage Sites in Poland, fifteen of which are cultural sites, and one of which, the Białowieża Forest, is a natural site. The United Nations Educational, Scientific and Cultural Organization (UNESCO) World Heritage Sites are places of importance to cultural or natural heritage as described in the UNESCO World Heritage Convention, established in 1972. Poland acceded to the convention on 29 June 1976, making its historical sites eligible for inclusion on the list. The first two Polish sites inscribed on the World Heritage List were the Wieliczka Salt Mine and the Historic Centre of Kraków (pictured) in 1978. The most recent addition to the list is the Krzemionki Prehistoric Striped Flint Mining Region, listed in 2019. Three of the sites are transnational. (Full list...) Recently featured: <h2 id="mp-tfp-h2" class="mp-h2">Today's featured picture <h2 id="mp-other" class="mp-h2">Other areas of Wikipedia <h2 id="mp-sister" class="mp-h2">Wikipedia's sister projects <templatestyles src="Wikipedia's sister projects/styles.css" /> Wikipedia is hosted by the Wikimedia Foundation, a non-profit organization that also hosts a range of other projects:
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