Periodic table by country and year of discovery of each element.
<a href="//commons.wikimedia.org/wiki/User:KES47" class="mw-redirect" title="User:KES47">Kes47</a> (<a href="//commons.wikimedia.org/wiki/User_talk:KES47" class="mw-redirect" title="User talk:KES47">?</a>)
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<span class="int-own-work" lang="en">Own work</span>, inspirated by other works