The <a href="https://en.wikipedia.org/wiki/Sikhote-Alin_meteorite" id="mwyA" rel="mw:WikiLink" title="Sikhote-Alin meteorite">largest observed iron meteorite</a> until that time creates an <a href="https://en.wikipedia.org/wiki/Impact_crater" id="mwyQ" rel="mw:WikiLink" title="Impact crater">impact crater</a> in <a href="https://en.wikipedia.org/wiki/Sikhote-Alin" id="mwyg" rel="mw:WikiLink" title="Sikhote-Alin">Sikhote-Alin</a>, in the <a href="https://en.wikipedia.org/wiki/Soviet_Union" id="mwyw" rel="mw:WikiLink" title="Soviet Union">Soviet Union</a>.